Square symmetry

BC2 is a 2D spherical Coxeter group. It is the symmetry group of the square.

Subgroups

 * BC2+
 * A1×A1
 * A1×A1+
 * A1×I
 * I×I

Convex polytopes with BC2 symmetry

 * Square (regular)
 * Ditetragon (isogonal)/Tetrambus (isotopic)