Compound of five tetrahedra

The compound of five tetrahedra is one of the five regular polyhedral compounds. This compound polyhedron is also a stellation of the regular icosahedron. It was first described by Edmund Hess in 1876.

Compound of five tetrahedra
TypeRegular compound
Coxeter symbol{5,3}[5{3,3}] {3,5}
IndexUC5, W24
Elements
(As a compound)
5 tetrahedra:
F = 20, E = 30, V = 20
Dual compoundSelf-dual
Symmetry groupchiral icosahedral (I)
Subgroup restricting to one constituentchiral tetrahedral (T)

It can be seen as a faceting of a regular dodecahedron.

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