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Compound of five great icosahedra

Compound of five great icosahedra
Type Uniform compound
Index UC53
Polyhedra 5 great icosahedra
Faces 40+60 Triangles
Edges 150
Vertices 60
Symmetry group icosahedral (Ih)
Subgroup restricting to one constituent pyritohedral (Th)

This uniform polyhedron compound is a composition of 5 great icosahedra, in the same arrangement as in the compound of 5 icosahedra.

Under the action of the symmetry group, the triangles in this compound decompose into two orbits: 40 of the triangles lie in coplanar pairs in icosahedral planes, while the other 60 lie in unique planes.

References

  • Skilling, John (1976), "Uniform Compounds of Uniform Polyhedra", Mathematical Proceedings of the Cambridge Philosophical Society, 79 (3): 447–457, doi:10.1017/S0305004100052440, MR 0397554.


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