Protriangular antiprismatic symmetry

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Protriangular antiprismatic symmetry

Protriangular antiprismatic symmetry, also known as protrappic symmetry and notated as (G2+×A1)/2, is a 3D spherical symmetry group. It is the symmetry of the triangular antiprism if the bases are considered to have chiral rather than full triangular symmetry.

Subgroups[edit | edit source]

Convex polytopes with (G2+×A1)/2 symmetry[edit | edit source]