Acronym sissidpy
Name small-stellated-dodecahedral pyramid,
vertex cap of unit gofix,
vertex cap of v-scaled gohi
Circumradius (sqrt(5)-1)/2 = 0.618034
Colonel of regiment (is itself locally convex)
Face vector 13, 42, 42, 13
Confer
uniform relative:
gofix   gohi  
general polytopal classes:
segmentochora  
External
links
polytopewiki  

As abstract polytope sissidpy is isomorph to gadpy, thereby replacing the base sissid by gad and stappy by peppy.


Incidence matrix according to Dynkin symbol

ox5/2oo5oo&#x   → height = (1+sqrt(5))/4 = 0.809017
(pt || sissid)

o.5/2o.5o.    | 1  *  12  0 | 30  0 | 12 0
.o5/2.o5.o    | * 12 |  1  5 |  5  5 |  5 1
--------------+------+-------+-------+-----
oo5/2oo5oo&#x | 1  1 | 12  * |  5  0 |  5 0
.x   .. ..    | 0  2 |  * 30 |  1  2 |  2 1
--------------+------+-------+-------+-----
ox   .. ..&#x | 1  2 |  2  1 | 30  * |  2 0
.x5/2.o ..    | 0  5 |  0  5 |  * 12 |  1 1
--------------+------+-------+-------+-----
ox5/2oo ..&#x  1  5 |  5  5 |  5  1 | 12 *
.x5/2.o5.o     0 12 |  0 30 |  0 12 |  * 1

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