Acronym gashi, aspD
Name grand stellated hecatonicosachoron,
aggrandized stellated polydodecahedron
Cross sections
 ©
Circumradius (sqrt(5)-1)/2 = 0.618034
Inradius (3-sqrt(5))/4 = 0.190983
Density 66
General of army ex
Colonel of regiment gishi
Dual (selfdual)
Dihedral angles
Face vector 120, 720, 720, 120
Confer
Grünbaumian relatives:
2gashi   gax+gashi+120gid   gishi+gashi  
general polytopal classes:
Wythoffian polychora   regular   noble polytopes  
External
links
hedrondude   wikipedia   polytopewiki   WikiChoron   nan ma

As abstract polytope gashi is isomorphic to gohi, thereby replacing sissid by gad, resp. replacing pentagrammal faces and edge figures each by pentagonal ones, resp. replacing gad vertex figures by sissid ones.

A selfdual polychoron.


Incidence matrix according to Dynkin symbol

x5/2o5o5/2o

.   . . . | 120   12 |  30 |  12
----------+-----+-----+-----+----
x   . . . |   2 | 720 |   5 |   5
----------+-----+-----+-----+----
x5/2o . . |   5 |   5 | 720 |   2
----------+-----+-----+-----+----
x5/2o5o .   12 |  30 |  12 | 120

x5/2o5o5/3o

.   . . . | 120   12 |  30 |  12
----------+-----+-----+-----+----
x   . . . |   2 | 720 |   5 |   5
----------+-----+-----+-----+----
x5/2o . . |   5 |   5 | 720 |   2
----------+-----+-----+-----+----
x5/2o5o .   12 |  30 |  12 | 120

x5/2o5/4o5/2o

.   .   . . | 120   12 |  30 |  12
------------+-----+-----+-----+----
x   .   . . |   2 | 720 |   5 |   5
------------+-----+-----+-----+----
x5/2o   . . |   5 |   5 | 720 |   2
------------+-----+-----+-----+----
x5/2o5/4o .   12 |  30 |  12 | 120

x5/2o5/4o5/3o

.   .   . . | 120   12 |  30 |  12
------------+-----+-----+-----+----
x   .   . . |   2 | 720 |   5 |   5
------------+-----+-----+-----+----
x5/2o   . . |   5 |   5 | 720 |   2
------------+-----+-----+-----+----
x5/2o5/4o .   12 |  30 |  12 | 120

x5/3o5o5/2o

.   . . . | 120   12 |  30 |  12
----------+-----+-----+-----+----
x   . . . |   2 | 720 |   5 |   5
----------+-----+-----+-----+----
x5/3o . . |   5 |   5 | 720 |   2
----------+-----+-----+-----+----
x5/3o5o .   12 |  30 |  12 | 120

x5/3o5o5/3o

.   . . . | 120   12 |  30 |  12
----------+-----+-----+-----+----
x   . . . |   2 | 720 |   5 |   5
----------+-----+-----+-----+----
x5/3o . . |   5 |   5 | 720 |   2
----------+-----+-----+-----+----
x5/3o5o .   12 |  30 |  12 | 120

x5/3o5/4o5/2o

.   .   . . | 120   12 |  30 |  12
------------+-----+-----+-----+----
x   .   . . |   2 | 720 |   5 |   5
------------+-----+-----+-----+----
x5/3o   . . |   5 |   5 | 720 |   2
------------+-----+-----+-----+----
x5/3o5/4o .   12 |  30 |  12 | 120

x5/3o5/4o5/3o

.   .   . . | 120   12 |  30 |  12
------------+-----+-----+-----+----
x   .   . . |   2 | 720 |   5 |   5
------------+-----+-----+-----+----
x5/3o   . . |   5 |   5 | 720 |   2
------------+-----+-----+-----+----
x5/3o5/4o .   12 |  30 |  12 | 120

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