Acronym | sissidagad, sissid || gad |
Name |
small stellated decahedron atop great dodecahedron, sissid antiprism, gad antiprism |
Circumradius | 1 |
Face vector | 24, 120, 144, 56 |
Confer |
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External links |
As abstract polytope sissidagad is automorph, thereby interchanging the roles of pentagons and pentagrams, resp. those of stappy and peppy.
Incidence matrix according to Dynkin symbol
xo5/2oo5ox&#x → height = 1/2
(sissid || gad)
o.5/2o.5o. | 12 * | 5 5 0 | 5 10 5 0 | 1 5 5 1 0
.o5/2.o5.o | * 12 | 0 5 5 | 0 5 10 5 | 0 1 5 5 1
--------------+-------+----------+-------------+-------------
x. .. .. | 2 0 | 30 * * | 2 2 0 0 | 1 2 1 0 0
oo5/2oo5oo&#x | 1 1 | * 60 * | 0 2 2 0 | 0 1 2 1 0
.. .. .x | 0 2 | * * 30 | 0 0 2 2 | 0 0 1 2 1
--------------+-------+----------+-------------+-------------
x.5/2o. .. | 5 0 | 5 0 0 | 12 * * * | 1 1 0 0 0
xo .. ..&#x | 2 1 | 1 2 0 | * 60 * * | 0 1 1 0 0
.. .. ox&#x | 1 2 | 0 2 1 | * * 60 * | 0 0 1 1 0
.. .o5.x | 0 5 | 0 0 5 | * * * 12 | 0 0 0 1 1
--------------+-------+----------+-------------+-------------
x.5/2o.5o. ♦ 12 0 | 30 0 0 | 12 0 0 0 | 1 * * * *
xo5/2oo ..&#x ♦ 5 1 | 5 5 0 | 1 5 0 0 | * 12 * * *
xo .. ox&#x ♦ 2 2 | 1 4 1 | 0 2 2 0 | * * 30 * *
.. oo5ox&#x ♦ 1 5 | 0 5 5 | 0 0 5 1 | * * * 12 *
.o5/2.o5.x ♦ 0 12 | 0 0 30 | 0 0 0 12 | * * * * 1
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