Octahexadecahemihexadecachoron

The octahexadecahemihexadecachoron, or ohuhoh, is a nonconvex uniform polychoron. It consists of 8 octahedra, 16 tetrahemihexahedra, and 8 central cuboctahedra, with 4 tetrahemihexahedra, 2 octahedra, and 4 cuboctahedra at each vertex.

Octahexadecahemihexadecachoron
Rank4
TypeUniform
Notation
Bowers style acronymOhuhoh
Elements
Cells
Faces
Edges96
Vertices24
Measures (edge length 1)
Circumradius1
Dichoral angleThah–3–thah: 120°
Thah–4–co: 90°
Oct–3–co: 60°
Number of external pieces328
Level of complexity21
Related polytopes
ArmyIco
RegimentIco
ConjugateNone
Abstract & topological properties
Flag count1920
Euler characteristic40
OrientableNo
Properties
SymmetryB4, order 384
Flag orbits5
ConvexNo
NatureWild

As well as being isogonal, it is also isotoxal.

Gallery edit

Vertex coordinates edit

Its vertices are the same as those of its regiment colonel, the icositetrachoron.

External links edit