Sculpture: Dodecahedron IX

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Icosahedral symetry group has 60 elements - rotations about axes of 2, 3 and 5 order. It has subgroup of index 5 - groups of rotational symmetries of tetrahedron with 12 elements - rotations about axes of 2 and 3 order. The sculpture represents relations between such group, its subgroup and its cosets as a combination of 5 identical interpenetrating tetrahedra forming compound with icosahedral symmetry.

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