Acronym gridaphi
Name great retroinverted dodecahedronary prismatohecatonicosachoron
Cross sections
 ©
Circumradius 1
Coordinates
  • (1, 0, 0, 0)                                         & all permutations, all changes of sign
    (vertex inscribed q-hex)
  • (1/2, 1/2, 1/2, 1/2)                             & all permutations, all changes of sign
    (vertex inscribed tes)
  • ((1+sqrt(5))/4, (sqrt(5)-1)/4, 1/4, 0)   & all even permutations, all changes of sign
    (vertex inscribed v-sadi)
General of army ex
Colonel of regiment sishi
Confer sishi+paphicki+gridaphi  
External
links
hedrondude   WikiChoron  

As abstract polytope gridaphi is isomorphic to sridaphi, thereby replacing ike by gike.


Incidence matrix

 120 |   20 |   60   60 |  12   60
-----+------+-----------+---------
   2 | 1200 |    6    6 |   3    9
-----+------+-----------+---------
   3 |    3 | 2400    * |   1    1
   4 |    4 |    * 1800 |   0    2
-----+------+-----------+---------
 12 |   30 |   20    0 | 120    *
  6 |    9 |    2    3 |   * 1200

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