Pentagonal pyramidal symmetry

Pentagonal pyramidal symmetry, also known as peppyric symmetry and notated as H2×I, is a 3D spherical symmetry group. It is the symmetry group of the pentagonal pyramid and occurs as a subgroup of icosahedral symmetry.

Subgroups

 * H2+×I (maximal)
 * A1×I×I (maximal)
 * I×I×I