Invertidodecahedronary hecatonicosachoric alterprism

Invertidodecahedronary hecatonicosachoric alterprism
Rank	5
Type	Uniform
Notation
Bowers style acronym	Idhia
Elements
Tera	2 idhi, 120 ditdidap, 720 pappip, 1440 trapedip
Edges	1440+2400
Vertices	240
Measures (edge length 1)
Circumradius	${\sqrt {\frac {7+{\sqrt {5}}}{8}}}\approx 1.07448$
Hypervolume	Undefined
Height	${\sqrt {\frac {{\sqrt {5}}-1}{2}}}\approx 0.786151$
Related polytopes
Army	Semi-uniform Exip
Regiment	Sishia
Conjugate	None
Abstract & topological properties
Orientable	No
Properties
Symmetry	H4×A1, order 28800
Convex	No

The invertidodecahedronary hecatonicosachoric alterprism or idhia is a uniform segmentoteron. It consists of 2 invertidodecahedronary hecatonicosachoric bases, joined by 120 ditrigonary dodecadodecahedral antiprisms, 720 central pentagonal antiprismatic prisms, and 1440 triangular-pentagonal duoprisms.

External links

• Bowers, Jonathan. "Category 19: Miscellaneous" (#1294).