Acronym girc
Name great retrotetracontoctachoron
Cross sections
 ©
Circumradius sqrt[2-sqrt(2)] = 0.765367
Colonel of regiment giddic
Face vector 144, 576, 432, 48
Confer
general polytopal classes:
noble polytopes  
External
links
hedrondude   polytopewiki   WikiChoron  

As abstract polytope girc is isomorphic to sirc, thereby replacing octagrams by octagons, and thus groh by sroh.

Just as groh itself is the blend of the partially face-coincident compound of 3 stop, girc is the likewise blend of the compound of 9 stodip.


Incidence matrix

144 |   8 |   8   8 |  8
----+-----+---------+---
  2 | 576 |   2   2 |  4
----+-----+---------+---
  4 |   4 | 288   * |  2
  8 |   8 |   * 144 |  2  {8/3}
----+-----+---------+---
 24 |  48 |  12   6 | 48  groh

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