Triangular prismatic symmetry

Triangular prismatic symmetry, also known as trippic symmetry and notated as A2×A1, is a 3D spherical Coxeter group. It is the symmetry group of the triangular prism.

Subgroups

 * (A2×A1)+ (maximal)
 * A2×I (maximal)
 * A2+×A1 (maximal)
 * A2+×I
 * K2×I (maximal)
 * K2+×I
 * A1×I×I
 * I×I×I

Convex polytopes with A2×A1 symmetry

 * Triangular prism (isogonal)/Triangular tegum (isotopic)
 * Ditrigonal prism (isogonal)/Triambic tegum (isotopic)