Wythoff Symbol

A symbol used to describe Uniform Polyhedra. For example, the Wythoff symbol for the Tetrahedron is . There are three types of Wythoff symbols , and , and one exceptional symbol used for the Great Dirhombicosidodecahedron. Some special cases in terms of Schläfli Symbols are

For the symbol , permuting the letters gives the same Polyhedron.

Har'El, Z. Uniform Solution for Uniform Polyhedra.'' Geometriae Dedicata 47, 57-110, 1993.