Digonal antiprismatic symmetry

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Digonal antiprismatic symmetry

Digonal antiprismatic symmetry, also known as dappic symmetry and notated (B2×A1)/2, is a 3D spherical symmetry group. It is the symmetry group of the tetragonal disphenoid and is the digonal member of the family of antiprismatic symmetries. It occurs as a subsymmetry of tetrahedral, octahedral, and icosahedral symmetries.

Subgroups[edit | edit source]

Convex polytopes with (B2×A1)/2 symmetry[edit | edit source]