| Acronym | pendip | 
| Name | pentachoron duoprism, vertex figure of icoy | 
| Circumradius | 2/sqrt(5) = 0.894427 | 
| Inradius | 1/sqrt(40) = 0.158114 | 
| Volume | 5/9216 = 0.00054253 | 
| Surface | 5 sqrt(10)/576 = 0.027450 | 
| Dihedral angles | |
| Face vector | 25, 100, 200, 250, 210, 120, 45, 10 | 
| Confer | 
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| External links |   | 
Incidence matrix according to Dynkin symbol
x3o3o3o x3o3o3o . . . . . . . . | 25 | 4 4 | 6 16 6 | 4 24 24 4 | 1 16 36 16 1 | 4 24 24 4 | 6 16 6 | 4 4 ----------------+----+-------+-----------+---------------+---------------+-------------+----------+---- x . . . . . . . | 2 | 50 * | 3 4 0 | 3 12 6 0 | 1 12 18 4 0 | 4 18 12 1 | 6 12 3 | 4 3 . . . . x . . . | 2 | * 50 | 0 4 3 | 0 6 12 3 | 0 4 18 12 1 | 1 12 18 4 | 3 12 6 | 3 4 ----------------+----+-------+-----------+---------------+---------------+-------------+----------+---- x3o . . . . . . | 3 | 3 0 | 50 * * | 2 4 0 0 | 1 8 6 0 0 | 4 12 4 0 | 6 8 1 | 4 2 x . . . x . . . | 4 | 2 2 | * 100 * | 0 3 3 0 | 0 3 9 3 0 | 1 9 9 1 | 3 9 3 | 3 3 . . . . x3o . . | 3 | 0 3 | * * 50 | 0 0 4 2 | 0 0 6 8 1 | 0 4 12 4 | 1 8 6 | 2 4 ----------------+----+-------+-----------+---------------+---------------+-------------+----------+---- x3o3o . . . . . ♦ 4 | 6 0 | 4 0 0 | 25 * * * | 1 4 0 0 0 | 6 4 0 0 | 6 4 0 | 4 1 x3o . . x . . . ♦ 6 | 6 3 | 2 3 0 | * 100 * * | 0 2 3 0 0 | 1 6 3 0 | 3 6 1 | 3 2 x . . . x3o . . ♦ 6 | 3 6 | 0 3 2 | * * 100 * | 0 0 3 2 0 | 0 3 6 1 | 1 6 3 | 2 3 . . . . x3o3o . ♦ 4 | 0 6 | 0 0 4 | * * * 25 | 0 0 0 4 1 | 0 0 6 4 | 0 4 6 | 1 4 ----------------+----+-------+-----------+---------------+---------------+-------------+----------+---- x3o3o3o . . . . ♦ 5 | 10 0 | 10 0 0 | 5 0 0 0 | 5 * * * * ♦ 4 0 0 0 | 6 0 0 | 4 0 x3o3o . x . . . ♦ 8 | 12 4 | 8 6 0 | 2 4 0 0 | * 50 * * * | 1 3 0 0 | 3 3 0 | 3 1 x3o . . x3o . . ♦ 9 | 9 9 | 3 9 3 | 0 3 3 0 | * * 100 * * | 0 2 2 0 | 1 4 1 | 2 2 x . . . x3o3o . ♦ 8 | 4 12 | 0 6 8 | 0 0 4 2 | * * * 50 * | 0 0 3 1 | 0 3 3 | 1 3 . . . . x3o3o3o ♦ 5 | 0 10 | 0 0 10 | 0 0 0 5 | * * * * 5 | 0 0 0 4 | 0 0 6 | 0 4 ----------------+----+-------+-----------+---------------+---------------+-------------+----------+---- x3o3o3o x . . . ♦ 10 | 20 5 | 20 10 0 | 10 10 0 0 | 2 5 0 0 0 | 10 * * * | 3 0 0 | 3 0 x3o3o . x3o . . ♦ 12 | 18 12 | 12 18 4 | 3 12 6 0 | 0 3 4 0 0 | * 50 * * | 1 2 0 | 2 1 x3o . . x3o3o . ♦ 12 | 12 18 | 4 18 12 | 0 6 12 3 | 0 0 4 3 0 | * * 50 * | 0 2 1 | 1 2 x . . . x3o3o3o ♦ 10 | 5 20 | 0 10 20 | 0 0 10 10 | 0 0 0 5 2 | * * * 10 | 0 0 3 | 0 3 ----------------+----+-------+-----------+---------------+---------------+-------------+----------+---- x3o3o3o x3o . . ♦ 15 | 30 15 | 30 30 5 | 15 30 10 0 | 3 15 10 0 0 | 3 5 0 0 | 10 * * | 2 0 x3o3o . x3o3o . ♦ 16 | 24 24 | 16 36 16 | 4 24 24 4 | 0 6 16 6 0 | 0 4 4 0 | * 25 * | 1 1 x3o . . x3o3o3o ♦ 15 | 15 30 | 5 30 30 | 0 10 30 15 | 0 0 10 15 3 | 0 0 5 3 | * * 10 | 0 2 ----------------+----+-------+-----------+---------------+---------------+-------------+----------+---- x3o3o3o x3o3o . ♦ 20 | 40 30 | 40 60 20 | 20 60 40 5 | 4 30 40 10 0 | 6 20 10 0 | 4 5 0 | 5 * x3o3o . x3o3o3o ♦ 20 | 30 40 | 20 60 40 | 5 40 60 20 | 0 10 40 30 4 | 0 10 20 6 | 0 5 4 | * 5
or . . . . . . . . | 25 | 8 | 12 16 | 8 48 | 2 32 36 | 8 48 | 12 16 | 8 -------------------+----+-----+---------+--------+------------+--------+-------+--- x . . . . . . . & | 2 | 100 | 3 4 | 3 18 | 1 16 18 | 5 30 | 9 12 | 7 -------------------+----+-----+---------+--------+------------+--------+-------+--- x3o . . . . . . & | 3 | 3 | 100 * | 2 4 | 1 8 6 | 4 16 | 7 8 | 6 x . . . x . . . | 4 | 4 | * 100 | 0 6 | 0 6 9 | 2 18 | 6 9 | 6 -------------------+----+-----+---------+--------+------------+--------+-------+--- x3o3o . . . . . & ♦ 4 | 6 | 4 0 | 50 * | 1 4 0 | 4 6 | 6 4 | 5 x3o . . x . . . & ♦ 6 | 9 | 2 3 | * 200 | 0 2 3 | 1 9 | 4 6 | 5 -------------------+----+-----+---------+--------+------------+--------+-------+--- x3o3o3o . . . . & ♦ 5 | 10 | 10 0 | 5 0 | 10 * * ♦ 4 0 | 6 0 | 4 x3o3o . x . . . & ♦ 8 | 16 | 8 6 | 2 4 | * 100 * | 1 3 | 3 3 | 4 x3o . . x3o . . ♦ 9 | 18 | 6 9 | 0 6 | * * 100 | 0 4 | 2 4 | 4 -------------------+----+-----+---------+--------+------------+--------+-------+--- x3o3o3o x . . . & ♦ 10 | 25 | 20 10 | 10 10 | 2 5 0 | 20 * | 3 0 | 3 x3o3o . x3o . . & ♦ 12 | 30 | 16 18 | 3 18 | 0 3 4 | * 100 | 1 2 | 3 -------------------+----+-----+---------+--------+------------+--------+-------+--- x3o3o3o x3o . . & ♦ 15 | 45 | 35 30 | 15 40 | 3 15 10 | 3 5 | 20 * | 2 x3o3o . x3o3o . ♦ 16 | 48 | 32 36 | 8 48 | 0 12 16 | 0 8 | * 25 | 2 -------------------+----+-----+---------+--------+------------+--------+-------+--- x3o3o3o x3o3o . & ♦ 20 | 70 | 60 60 | 25 100 | 4 40 40 | 6 30 | 4 5 | 10
xx3oo3oo3oo ox3oo3oo&#x   height = sqrt(5/8) = 0.790569
(pen || tetpen)
o.3o.3o.3o. o.3o.3o.    | 5  * |  4  4  0  0 |  6 16  6  0  0  0 | 4 24 24  4  0  0  0 0 | 1 16 36 16 1 0  0  0  0 | 4 24 24  4 0  0  0 | 6 16  6 0 0 | 4 4 0
.o3.o3.o3.o .o3.o3.o    | * 20 |  0  1  4  3 |  0  4  3  6 12  3 | 0  6 12  3  4 18 12 1 | 0  4 18 12 1 1 12 18  4 | 1 12 18  4 3 12  6 | 3 12  6 3 4 | 3 4 1
------------------------+------+-------------+-------------------+-----------------------+-------------------------+--------------------+-------------+------
x. .. .. .. .. .. ..    | 2  0 | 10  *  *  * |  3  4  0  0  0  0 | 3 12  6  0  0  0  0 0 | 1 12 18  4 0 0  0  0  0 | 4 18 12  1 0  0  0 | 6 12  3 0 0 | 4 3 0
oo3oo3oo3oo oo3oo3oo&#x | 1  1 |  * 20  *  * |  0  4  3  0  0  0 | 0  6 12  3  0  0  0 0 | 0  4 18 12 1 0  0  0  0 | 1 12 18  4 0  0  0 | 3 12  6 0 0 | 3 4 0
.x .. .. .. .. .. ..    | 0  2 |  *  * 40  * |  0  1  0  3  3  0 | 0  3  3  0  3  9  3 0 | 0  3  9  3 0 1  9  9  1 | 1  9  9  1 3  9  3 | 3  9  3 3 3 | 3 3 1
.. .. .. .. .x .. ..    | 0  2 |  *  *  * 30 |  0  0  1  0  4  2 | 0  0  4  2  0  6  8 1 | 0  0  6  8 1 0  4 12  4 | 0  4 12  4 1  8  6 | 1  8  6 2 4 | 2 4 1
------------------------+------+-------------+-------------------+-----------------------+-------------------------+--------------------+-------------+------
x.3o. .. .. .. .. ..    | 3  0 |  3  0  0  0 | 10  *  *  *  *  * | 2  4  0  0  0  0  0 0 | 1  8  6  0 0 0  0  0  0 | 4 12  4  0 0  0  0 | 6  8  1 0 0 | 4 2 0
xx .. .. .. .. .. ..&#x | 2  2 |  1  2  1  0 |  * 40  *  *  *  * | 0  3  3  0  0  0  0 0 | 0  3  9  3 0 0  0  0  0 | 1  9  9  1 0  0  0 | 3  9  3 0 0 | 3 3 0
.. .. .. .. ox .. ..&#x | 1  2 |  0  2  0  1 |  *  * 30  *  *  * | 0  0  4  2  0  0  0 0 | 0  0  6  8 1 0  0  0  0 | 0  4 12  4 0  0  0 | 1  8  6 0 0 | 2 4 0
.x3.o .. .. .. .. ..    | 0  3 |  0  0  3  0 |  *  *  * 40  *  * | 0  1  0  0  2  3  0 0 | 0  2  3  0 0 1  6  3  0 | 1  6  3  0 3  6  1 | 3  6  1 3 2 | 3 2 1
.x .. .. .. .x .. ..    | 0  4 |  0  0  2  2 |  *  *  *  * 60  * | 0  0  1  0  0  3  2 0 | 0  0  3  2 0 0  3  6  1 | 0  3  6  1 1  6  3 | 1  6  3 2 3 | 2 3 1
.. .. .. .. .x3.o ..    | 0  3 |  0  0  0  3 |  *  *  *  *  * 20 | 0  0  0  1  0  0  4 1 | 0  0  0  4 1 0  0  6  4 | 0  0  6  4 0  4  6 | 0  4  6 1 4 | 1 4 1
------------------------+------+-------------+-------------------+-----------------------+-------------------------+--------------------+-------------+------
x.3o.3o. .. .. .. ..    ♦ 4  0 |  6  0  0  0 |  4  0  0  0  0  0 | 5  *  *  *  *  *  * * | 1  4  0  0 0 0  0  0  0 | 4  6  0  0 0  0  0 | 6  4  0 0 0 | 4 1 0
xx3oo .. .. .. .. ..&#x ♦ 3  3 |  3  3  3  0 |  1  3  0  1  0  0 | * 40  *  *  *  *  * * | 0  2  3  0 0 0  0  0  0 | 1  6  3  0 0  0  0 | 3  6  1 0 0 | 3 2 0
xx .. .. .. ox .. ..&#x ♦ 2  4 |  1  4  2  2 |  0  2  2  0  1  0 | *  * 60  *  *  *  * * | 0  0  3  2 0 0  0  0  0 | 0  3  6  1 0  0  0 | 1  6  3 0 0 | 2 3 0
.. .. .. .. ox3oo ..&#x ♦ 1  3 |  0  3  0  3 |  0  0  3  0  0  1 | *  *  * 20  *  *  * * | 0  0  0  4 1 0  0  0  0 | 0  0  6  4 0  0  0 | 0  4  6 0 0 | 1 4 0
.x3.o3.o .. .. .. ..    ♦ 0  4 |  0  0  6  0 |  0  0  0  4  0  0 | *  *  *  * 20  *  * * | 0  1  0  0 0 1  3  0  0 | 1  3  0  0 3  3  0 | 3  3  0 3 1 | 3 1 1
.x3.o .. .. .x .. ..    ♦ 0  6 |  0  0  6  3 |  0  0  0  2  3  0 | *  *  *  *  * 60  * * | 0  0  1  0 0 0  2  2  0 | 0  2  2  0 1  4  1 | 1  4  1 2 2 | 2 2 1
.x .. .. .. .x3.o ..    ♦ 0  6 |  0  0  3  6 |  0  0  0  0  3  2 | *  *  *  *  *  * 40 * | 0  0  0  1 0 0  0  3  1 | 0  0  3  1 0  3  3 | 0  3  3 1 3 | 1 3 1
.. .. .. .. .x3.o3.o    ♦ 0  4 |  0  0  0  6 |  0  0  0  0  0  4 | *  *  *  *  *  *  * 5 | 0  0  0  0 1 0  0  0  4 | 0  0  0  4 0  0  6 | 0  0  6 0 4 | 0 4 1
------------------------+------+-------------+-------------------+-----------------------+-------------------------+--------------------+-------------+------
x.3o.3o.3o. .. .. ..    ♦ 5  0 | 10  0  0  0 | 10  0  0  0  0  0 | 5  0  0  0  0  0  0 0 | 1  *  *  * * *  *  *  * ♦ 4  0  0  0 0  0  0 | 6  0  0 0 0 | 4 0 0
xx3oo3oo .. .. .. ..&#x ♦ 4  4 |  6  4  6  0 |  4  6  0  4  0  0 | 1  4  0  0  1  0  0 0 | * 20  *  * * *  *  *  * | 1  3  0  0 0  0  0 | 3  3  0 0 0 | 3 1 0
xx3oo .. .. ox .. ..&#x ♦ 3  6 |  3  6  6  3 |  1  6  3  2  3  0 | 0  2  3  0  0  1  0 0 | *  * 60  * * *  *  *  * | 0  2  2  0 0  0  0 | 1  4  1 0 0 | 2 2 0
xx .. .. .. ox3oo ..&#x ♦ 2  6 |  1  6  3  6 |  0  3  6  0  3  2 | 0  0  3  2  0  0  1 0 | *  *  * 40 * *  *  *  * | 0  0  3  1 0  0  0 | 0  3  3 0 0 | 1 3 0
.. .. .. .. ox3oo3oo&#x ♦ 1  4 |  0  4  0  6 |  0  0  6  0  0  4 | 0  0  0  4  0  0  0 1 | *  *  *  * 5 *  *  *  * ♦ 0  0  0  4 0  0  0 | 0  0  6 0 0 | 0 4 0
.x3.o3.o3.o .. .. ..    ♦ 0  5 |  0  0 10  0 |  0  0  0 10  0  0 | 0  0  0  0  5  0  0 0 | *  *  *  * * 4  *  *  * ♦ 1  0  0  0 3  0  0 | 3  0  0 3 0 | 3 0 1
.x3.o3.o .. .x .. ..    ♦ 0  8 |  0  0 12  4 |  0  0  0  8  6  0 | 0  0  0  0  2  4  0 0 | *  *  *  * * * 30  *  * | 0  1  0  0 1  2  0 | 1  2  0 2 1 | 2 1 1
.x3.o .. .. .x3.o ..    ♦ 0  9 |  0  0  9  9 |  0  0  0  3  9  3 | 0  0  0  0  0  3  3 0 | *  *  *  * * *  * 40  * | 0  0  1  0 0  2  1 | 0  2  1 1 2 | 1 2 1
.x .. .. .. .x3.o3.o    ♦ 0  8 |  0  0  4 12 |  0  0  0  0  6  8 | 0  0  0  0  0  0  4 2 | *  *  *  * * *  *  * 10 | 0  0  0  1 0  0  3 | 0  0  3 0 3 | 0 3 1
------------------------+------+-------------+-------------------+-----------------------+-------------------------+--------------------+-------------+------
xx3oo3oo3oo .. .. ..&#x ♦ 5  5 | 10  5 10  0 | 10 10  0 10  0  0 | 5 10  0  0  5  0  0 0 | 1  5  0  0 0 1  0  0  0 | 4  *  *  * *  *  * | 3  0  0 0 0 | 3 0 0
xx3oo3oo .. ox .. ..&#x ♦ 4  8 |  6  8 12  4 |  4 12  4  8  6  0 | 1  8  6  0  2  4  0 0 | 0  2  4  0 0 0  1  0  0 | * 30  *  * *  *  * | 1  2  0 0 0 | 2 1 0
xx3oo .. .. ox3oo ..&#x ♦ 3  9 |  3  9  9  9 |  1  9  9  3  9  3 | 0  3  9  3  0  3  3 0 | 0  0  3  3 0 0  0  1  0 | *  * 40  * *  *  * | 0  2  1 0 0 | 1 2 0
xx .. .. .. ox3oo3oo&#x ♦ 2  8 |  1  8  4 12 |  0  4 12  0  6  8 | 0  0  6  8  0  0  4 2 | 0  0  0  4 2 0  0  0  1 | *  *  * 10 *  *  * | 0  0  3 0 0 | 0 3 0
.x3.o3.o3.o .x .. ..    ♦ 0 10 |  0  0 20  5 |  0  0  0 20 10  0 | 0  0  0  0 10 10  0 0 | 0  0  0  0 0 2  5  0  0 | *  *  *  * 6  *  * | 1  0  0 2 0 | 2 0 1
.x3.o3.o .. .x3.o ..    ♦ 0 12 |  0  0 18 12 |  0  0  0 12 18  4 | 0  0  0  0  3 12  6 0 | 0  0  0  0 0 0  3  4  0 | *  *  *  * * 20  * | 0  1  0 1 1 | 1 1 1
.x3.o .. .. .x3.o3.o    ♦ 0 12 |  0  0 12 18 |  0  0  0  4 18 12 | 0  0  0  0  0  6 12 3 | 0  0  0  0 0 0  0  4  3 | *  *  *  * *  * 10 | 0  0  1 0 2 | 0 2 1
------------------------+------+-------------+-------------------+-----------------------+-------------------------+--------------------+-------------+------
xx3oo3oo3oo ox .. ..&#x ♦ 5 10 | 10 10 20  5 | 10 20  5 20 10  0 | 5 20 10  0 10 10  0 0 | 1 10 10  0 0 2  5  0  0 | 2  5  0  0 1  0  0 | 6  *  * * * | 2 0 0
xx3oo3oo .. ox3oo ..&#x ♦ 4 12 |  6 12 18 12 |  4 18 12 12 18  4 | 1 12 18  4  3 12  6 0 | 0  3 12  6 0 0  3  4  0 | 0  3  4  0 0  1  0 | * 20  * * * | 1 1 0
xx3oo .. .. ox3oo3oo&#x ♦ 3 12 |  3 12 12 18 |  1 12 18  4 18 12 | 0  4 18 12  0  6 12 3 | 0  0  6 12 3 0  0  4  3 | 0  0  4  3 0  0  1 | *  * 10 * * | 0 2 0
.x3.o3.o3.o .x3.o ..    ♦ 0 15 |  0  0 30 15 |  0  0  0 30 30  5 | 0  0  0  0 15 30 10 0 | 0  0  0  0 0 3 15 10  0 | 0  0  0  0 3  5  0 | *  *  * 4 * | 1 0 1
.x3.o3.o .. .x3.o3.o    ♦ 0 16 |  0  0 24 24 |  0  0  0 16 36 16 | 0  0  0  0  4 24 24 4 | 0  0  0  0 0 0  6 16  6 | 0  0  0  0 0  4  4 | *  *  * * 5 | 0 1 1
------------------------+------+-------------+-------------------+-----------------------+-------------------------+--------------------+-------------+------
xx3oo3oo3oo ox3oo ..&#x ♦ 5 15 | 10 15 30 15 | 10 30 15 30 30  5 | 5 30 30  5 15 30 10 0 | 1 15 30 10 0 3 15 10  0 | 3 15 10  0 3  5  0 | 3  5  0 1 0 | 4 * *
xx3oo3oo .. ox3oo3oo&#x ♦ 4 16 |  6 16 24 24 |  4 24 24 16 36 16 | 1 16 36 16  4 24 24 4 | 0  4 24 24 4 0  6 16  6 | 0  6 16  6 0  4  4 | 0  4  4 0 1 | * 5 *
.x3.o3.o3.o .x3.o3.o    ♦ 0 20 |  0  0 40 30 |  0  0  0 40 60 20 | 0  0  0  0 20 60 40 5 | 0  0  0  0 0 4 30 40 10 | 0  0  0  0 6 20 10 | 0  0  0 4 5 | * * 1
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