Pentagonal symmetry

Pentagonal symmetry, also known as peggic symmetry and notated as H2, is a 2D spherical Coxeter group. It is the symmetry group of the pentagon, with 5 rotation and 5 reflection elements.

Subgroups

 * Chiral pentagonal symmetry (maximal)
 * Reflection symmetry (maximal)
 * Identity symmetry

Convex polytopes with H2 symmetry

 * Pentagon (regular)
 * Dipentagon (isogonal)/Pentambus (isotopic)