Acronym	gashi
Name	grand stellated hecatonicosachoron
Cross sections	©
Circumradius	(sqrt(5)-1)/2 = 0.618034
Inradius	(3-sqrt(5))/4 = 0.190983
General of army	ex
Colonel of regiment	gishi
Dual	(selfdual)
Confer	Grünbaumian relatives: 2gashi   gax+gashi+120gid   gishi+gashi   general polytopal classes: regular
External links

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