Rectangular symmetry

A1×A1, also known as rectic symmetry, rectangular symmetry, or digonal symmetry, is a 2D spherical Coxeter group. It is the symmetry group of the rectangle, with two rotations and two reflections. Any even-sided polygon has this as a subsymmetry.

Subgroups

 * A1×A1+
 * A1×I
 * I×I

Convex polytopes with A1×A1 symmetry

 * Rectangle (isogonal)/Rhombus (isotopic)