Protriangular antiprismatic symmetry

G2+×A1/2, also known as protrappic symmetry or protriangular antiprismatic symmetry, is a 3D spherical Coxeter group.

Subgroups

 * A2+×I
 * A1×A1+×A1/2
 * I×I×I

Convex polytopes with G2+×A1/2 symmetry

 * Triangular antiprism (isogonal)/Triangular antitegum (isotopic)