Acronym | squepe |
Name | square pennene |
|,>,O device | line prism pyramid pyramid pyramid pyramid = ||>>>> |
Circumradius | 1/sqrt(2) = 0.707107 |
Face vector | 8, 26, 45, 45, 26, 8 |
Confer |
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This polypeton is topologically its own dual.
Considering one of the vertices of tet as a tip atop the square instead, one recognizes this figure to be likewise the pyramid product of {3} with squippy. Then it could be seen too as a diminishing of octete.
Incidence matrix according to Dynkin symbol
xo4oo ox3oo3oo&#x → height = 1/sqrt(8) = 0.353553
({4} || perp tet)
o.4o. o.3o.3o. | 4 * | 2 4 0 | 1 8 6 0 | 4 12 4 0 | 6 8 1 | 4 2
.o4.o .o3.o3.o | * 4 ♦ 0 4 3 | 0 4 12 3 | 1 12 12 1 | 3 12 4 | 3 4
------------------+-----+--------+-----------+-----------+--------+----
x. .. .. .. .. | 2 0 | 4 * * | 1 4 0 0 | 4 6 0 0 | 6 4 0 | 4 1
oo4oo oo3oo3oo&#x | 1 1 | * 16 * | 0 2 3 0 | 1 6 3 0 | 3 6 1 | 3 2
.. .. .x .. .. | 0 2 | * * 6 ♦ 0 0 4 2 | 0 4 8 1 | 1 8 4 | 2 4
------------------+-----+--------+-----------+-----------+--------+----
x.4o. .. .. .. | 4 0 | 4 0 0 | 1 * * * ♦ 4 0 0 0 | 6 0 0 | 4 0
xo .. .. .. ..&#x | 2 1 | 1 2 0 | * 16 * * | 1 3 0 0 | 3 3 0 | 3 1
.. .. ox .. ..&#x | 1 2 | 0 2 1 | * * 24 * | 0 2 2 0 | 1 4 1 | 2 2
.. .. .x3.o .. | 0 3 | 0 0 3 | * * * 4 ♦ 0 0 4 1 | 0 4 4 | 1 4
------------------+-----+--------+-----------+-----------+--------+----
xo4oo .. .. ..&#x ♦ 4 1 | 4 4 0 | 1 4 0 0 | 4 * * * | 3 0 0 | 3 0
xo .. ox .. ..&#x ♦ 2 2 | 1 4 1 | 0 2 2 0 | * 24 * * | 1 2 0 | 2 1
.. .. ox3oo ..&#x ♦ 1 3 | 0 3 3 | 0 0 3 1 | * * 16 * | 0 2 1 | 1 2
.. .. .x3.o3.o ♦ 0 4 | 0 0 6 | 0 0 0 4 | * * * 1 | 0 0 4 | 0 4
------------------+-----+--------+-----------+-----------+--------+----
xo4oo ox .. ..&#x ♦ 4 2 | 4 8 1 | 1 8 4 0 | 2 4 0 0 | 6 * * | 2 0
xo .. ox3oo ..&#x ♦ 2 3 | 1 6 3 | 0 3 6 1 | 0 3 2 0 | * 16 * | 1 1
.. .. ox3oo3oo&#x ♦ 1 4 | 0 4 6 | 0 0 6 4 | 0 0 4 1 | * * 4 | 0 2
------------------+-----+--------+-----------+-----------+--------+----
xo4oo ox3oo ..&#x ♦ 4 3 | 4 12 3 | 1 12 12 1 | 3 12 4 0 | 3 4 0 | 4 *
xo .. ox3oo3oo&#x ♦ 2 4 | 1 8 6 | 0 4 12 4 | 0 6 8 1 | 0 4 2 | * 4
xo xo ox3oo3ooamp;#x → height = 1/sqrt(8) = 0.353553
({4} || perp tet)
o. o. o.3o.3o. | 4 * | 1 1 4 0 | 1 4 4 6 0 | 4 6 6 4 0 | 6 4 4 1 | 4 1 1
.o .o .o3.o3.o | * 4 ♦ 0 0 4 3 | 0 2 2 12 3 | 1 6 6 12 1 | 3 6 6 4 | 3 2 2
------------------+-----+----------+------------+--------------+---------+------
x. .. .. .. .. | 2 0 | 2 * * * | 1 4 0 0 0 | 4 6 0 0 0 | 6 4 0 0 | 4 1 0
.. x. .. .. .. | 2 0 | * 2 * * | 1 0 4 0 0 | 4 0 6 0 0 | 6 0 4 0 | 4 0 1
oo4oo oo3oo3oo&#x | 1 1 | * * 16 * | 0 1 1 3 0 | 1 3 3 3 0 | 3 3 3 1 | 3 1 1
.. .. .x .. .. | 0 2 | * * * 6 ♦ 0 0 0 4 2 | 0 2 2 8 1 | 1 4 4 4 | 2 2 2
------------------+-----+----------+------------+--------------+---------+------
x. x. .. .. .. | 4 0 | 2 2 0 0 | 1 * * * * ♦ 4 0 0 0 0 | 6 0 0 0 | 4 0 0
xo .. .. .. ..&#x | 2 1 | 1 0 2 0 | * 8 * * * | 1 3 0 0 0 | 3 3 0 0 | 3 1 0
.. xo .. .. ..&#x | 2 1 | 0 1 2 0 | * * 8 * * | 1 0 3 0 0 | 3 0 3 0 | 3 0 1
.. .. ox .. ..&#x | 1 2 | 0 0 2 1 | * * * 24 * | 0 1 1 2 0 | 1 2 2 1 | 2 1 1
.. .. .x3.o .. | 0 3 | 0 0 0 3 | * * * * 4 ♦ 0 0 0 4 1 | 0 2 2 4 | 1 2 2
------------------+-----+----------+------------+--------------+---------+------
xo xo .. .. ..&#x ♦ 4 1 | 2 2 4 0 | 1 2 2 0 0 | 4 * * * * | 3 0 0 0 | 3 0 0
xo .. ox .. ..&#x ♦ 2 2 | 1 0 4 1 | 0 2 0 2 0 | * 12 * * * | 1 2 0 0 | 2 1 0
.. xo ox .. ..&#x ♦ 2 2 | 0 1 4 1 | 0 0 2 2 0 | * * 12 * * | 1 0 2 0 | 2 0 1
.. .. ox3oo ..&#x ♦ 1 3 | 0 0 3 3 | 0 0 0 3 1 | * * * 16 * | 0 1 1 1 | 1 1 1
.. .. .x3.o3.o ♦ 0 4 | 0 0 0 6 | 0 0 0 0 4 | * * * * 1 | 0 0 0 4 | 0 2 2
------------------+-----+----------+------------+--------------+---------+------
xo xo ox .. ..&#x ♦ 4 2 | 2 2 8 1 | 1 4 4 4 0 | 2 2 2 0 0 | 6 * * * | 2 0 0
xo .. ox3oo ..&#x ♦ 2 3 | 1 0 6 3 | 0 3 0 6 1 | 0 3 0 2 0 | * 8 * * | 1 1 0
.. xo ox3oo ..&#x ♦ 2 3 | 0 1 6 3 | 0 0 3 6 1 | 0 0 3 2 0 | * * 8 * | 1 0 1
.. .. ox3oo3oo&#x ♦ 1 4 | 0 0 4 6 | 0 0 0 6 4 | 0 0 0 4 1 | * * * 4 | 0 1 1
------------------+-----+----------+------------+--------------+---------+------
xo xo ox3oo ..&#x ♦ 4 3 | 2 2 12 3 | 1 6 6 12 1 | 3 6 6 4 0 | 3 2 2 0 | 4 * *
xo .. ox3oo3oo&#x ♦ 2 4 | 1 0 8 6 | 0 4 0 12 4 | 0 6 0 8 1 | 0 4 0 2 | * 2 *
.. xo ox3oo3oo&#x ♦ 2 4 | 0 1 8 6 | 0 0 4 12 4 | 0 0 6 8 1 | 0 0 4 2 | * * 2
oxx xoo3ooo3ooo&#x → height(1,2) = height(1,3) = sqrt(3/8) = 0.612372 height(2,3) = 1 o.. o..3o..3o.. | 4 * * ♦ 3 2 2 0 0 0 | 3 1 6 2 1 6 0 | 1 3 6 1 6 3 6 | 3 2 3 6 3 2 | 1 3 2 1 .o. .o.3.o.3.o. | * 2 * | 0 4 0 1 1 0 | 0 4 6 4 0 0 1 | 0 6 4 4 6 0 0 | 4 1 6 4 0 0 | 1 4 1 0 ..o ..o3..o3..o | * * 2 | 0 0 4 0 1 1 | 0 0 0 4 4 6 1 | 0 0 0 4 6 6 4 | 0 0 6 4 4 1 | 0 4 1 1 -------------------+-------+-------------+-----------------+----------------+-------------+-------- ... x.. ... ... | 2 0 0 | 6 * * * * * ♦ 2 0 2 0 0 2 0 | 1 1 4 0 2 1 4 | 2 2 1 4 2 2 | 1 2 2 1 oo. oo.3oo.3oo.&#x | 1 1 0 | * 8 * * * * | 0 1 3 1 0 0 0 | 0 3 3 1 3 0 0 | 3 1 3 3 0 0 | 1 3 1 0 o.o o.o3o.o3o.o&#x | 1 0 1 | * * 8 * * * | 0 0 0 1 1 3 0 | 0 0 0 1 3 3 3 | 0 0 3 3 3 1 | 0 3 1 1 .x. ... ... ... | 0 2 0 | * * * 1 * * | 0 4 0 0 0 0 1 | 0 6 0 4 0 0 0 | 4 0 6 0 0 0 | 1 4 0 0 .oo .oo3.oo3.oo&#x | 0 1 1 | * * * * 2 * | 0 0 0 4 0 0 1 | 0 0 0 4 6 0 0 | 0 0 6 4 0 0 | 0 4 1 0 ..x ... ... ... | 0 0 2 | * * * * * 1 | 0 0 0 0 4 0 1 | 0 0 0 4 0 6 0 | 0 0 6 0 4 0 | 0 4 0 1 -------------------+-------+-------------+-----------------+----------------+-------------+-------- ... x..3o.. ... | 3 0 0 | 3 0 0 0 0 0 | 4 * * * * * * ♦ 1 0 2 0 0 0 2 | 1 2 0 2 1 2 | 1 1 2 1 ox. ... ... ...&#x | 1 2 0 | 0 2 0 1 0 0 | * 4 * * * * * | 0 3 0 1 0 0 0 | 3 0 3 0 0 0 | 1 3 0 0 ... xo. ... ...&#x | 2 1 0 | 1 2 0 0 0 0 | * * 12 * * * * | 0 1 2 0 1 0 0 | 2 1 1 2 0 0 | 1 2 1 0 ooo ooo3ooo3ooo&#x | 1 1 1 | 0 1 1 0 1 0 | * * * 8 * * * | 0 0 0 1 3 0 0 | 0 0 3 3 0 0 | 0 3 1 0 o.x ... ... ...&#x | 1 0 2 | 0 0 2 0 0 1 | * * * * 4 * * | 0 0 0 1 0 3 0 | 0 0 3 0 3 0 | 0 3 0 1 ... x.o ... ...&#x | 2 0 1 | 1 0 2 0 0 0 | * * * * * 12 * | 0 0 0 0 1 1 2 | 0 0 1 2 2 1 | 0 2 1 1 .xx ... ... ...&#x | 0 2 2 | 0 0 0 1 2 1 | * * * * * * 1 ♦ 0 0 0 4 0 0 0 | 0 0 6 0 0 0 | 0 4 0 0 -------------------+-------+-------------+-----------------+----------------+-------------+-------- ... x..3o..3o.. ♦ 4 0 0 | 6 0 0 0 0 0 | 4 0 0 0 0 0 0 | 1 * * * * * * | 0 2 0 0 0 2 | 1 0 2 1 ox. xo. ... ...&#x ♦ 2 2 0 | 1 4 0 1 0 0 | 0 2 2 0 0 0 0 | * 6 * * * * * | 2 0 1 0 0 0 | 1 2 0 0 ... xo.3oo. ...&#x ♦ 3 1 0 | 3 3 0 0 0 0 | 1 0 3 0 0 0 0 | * * 8 * * * * | 1 1 0 1 0 0 | 1 1 1 0 oxx ... ... ...&#x ♦ 1 2 2 | 0 2 2 1 2 1 | 0 1 0 2 1 0 1 | * * * 4 * * * | 0 0 3 0 0 0 | 0 3 0 0 ... xoo ... ...&#x ♦ 2 1 1 | 1 2 2 0 1 0 | 0 0 1 2 0 1 0 | * * * * 12 * * | 0 0 1 2 0 0 | 0 2 1 0 o.x x.o ... ...&#x ♦ 2 0 2 | 1 0 4 0 0 1 | 0 0 0 0 2 2 0 | * * * * * 6 * | 0 0 1 0 2 0 | 0 2 0 1 ... x.o3o.o ...&#x ♦ 3 0 1 | 3 0 3 0 0 0 | 1 0 0 0 0 3 0 | * * * * * * 8 | 0 0 0 1 1 1 | 0 1 1 1 -------------------+-------+-------------+-----------------+----------------+-------------+-------- ox. xo.3oo. ...&#x ♦ 3 2 0 | 3 6 0 1 0 0 | 1 3 6 0 0 0 0 | 0 3 2 0 0 0 0 | 4 * * * * * | 1 1 0 0 ... xo.3oo.3oo.&#x ♦ 4 1 0 | 6 4 0 0 0 0 | 4 0 6 0 0 0 0 | 1 0 4 0 0 0 0 | * 2 * * * * | 1 0 1 0 oxx xoo ... ...&#x ♦ 2 2 2 | 1 4 4 1 2 1 | 0 2 2 4 2 2 1 | 0 1 0 2 2 1 0 | * * 6 * * * | 0 2 0 0 ... xoo3ooo ...&#x ♦ 3 1 1 | 3 3 3 0 1 0 | 1 0 3 3 0 3 0 | 0 0 1 0 3 0 1 | * * * 8 * * | 0 1 1 0 o.x x.o3o.o ...&#x ♦ 3 0 2 | 3 0 6 0 0 1 | 1 0 0 0 3 6 0 | 0 0 0 0 0 3 2 | * * * * 4 * | 0 1 0 1 ... x.o3o.o3o.o&#x ♦ 4 0 1 | 6 0 4 0 0 0 | 4 0 0 0 0 6 0 | 1 0 0 0 0 0 4 | * * * * * 2 | 0 0 1 1 -------------------+-------+-------------+-----------------+----------------+-------------+-------- ox. xo.3oo.3oo.&#x ♦ 4 2 0 | 6 8 0 1 0 0 | 4 4 12 0 0 0 0 | 1 6 8 0 0 0 0 | 4 2 0 0 0 0 | 1 * * * oxx xoo3ooo ...&#x ♦ 3 2 2 | 3 6 6 1 2 1 | 1 3 6 6 3 6 1 | 0 3 2 3 6 3 2 | 1 0 3 2 1 0 | * 4 * * ... xoo3ooo3ooo&#x ♦ 4 1 1 | 6 4 4 0 1 0 | 4 0 6 4 0 6 0 | 1 0 4 0 6 0 4 | 0 1 0 4 0 1 | * * 2 * o.x x.o3o.o3o.o&#x ♦ 4 0 2 | 6 0 8 0 0 1 | 4 0 0 0 4 12 0 | 1 0 0 0 0 6 8 | 0 0 0 0 4 2 | * * * 1
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