Grand retropental hecatonicosachoron

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Grand retropental hecatonicosachoron
Rank4
TypeUniform
Notation
Bowers style acronymGraphi
Elements
Cells120 great rhombidodecahedra
Faces1800 squares, 720 decagrams
Edges3600
Vertices720
Vertex figurePentagonal stephanoid
Measures (edge length 1)
Circumradius
Number of external pieces189600
Level of complexity462
Related polytopes
ArmyRox
RegimentRigfix
ConjugateSmall retropental hecatonicosachoron
Convex coreHecatonicosachoron
Abstract & topological properties
Euler characteristic–480
OrientableNo
Properties
SymmetryH4, order 14400
ConvexNo
NatureTame

The grand retropental hecatonicosachoron, or graphi, is a nonconvex noble uniform polychoron that consists of 120 great rhombidodecahedra. Ten great rhombidodecahedra join at each vertex.

Gallery[edit | edit source]

Vertex coordinates[edit | edit source]

The vertices are the same as those of the regiment colonel, the rectified great faceted hexacosichoron.

External links[edit | edit source]