Trivial group

Pointic symmetry, also notated $A_{0}$, is the only 0D Coxeter group. It coincides with $B_{0}$ and is thus part of both the $A_{n}$ and $B_{n}$ infinite families. As a 0D group, it has no symmetry and represents a point.

Convex polytopes with $A_{0}$ symmetry

 * Point (regular)