Triangular symmetry
(Redirected from A2)
Triangular symmetry | |
---|---|
Rank | 2 |
Space | Spherical |
Order | 6 |
Info | |
Coxeter diagram | |
Elements | |
Axes | 3 × A1×I |
Related polytopes | |
Omnitruncate | Ditrigon |
Triangular symmetry, also known as triggic symmetry and notated as A2, is a 2D spherical Coxeter group. It is the symmetry group of the equilateral triangle, and has 3 rotation and 3 reflection elements.
Subgroups[edit | edit source]
- Chiral triangular symmetry (normal, maximal)
- Reflection symmetry (maximal)
- Identity symmetry (normal)