Chiral enneagonal symmetry
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Chiral enneagonal symmetry | |
---|---|
Rank | 2 |
Space | Spherical |
Order | 9 |
Chiral enneagonal symmetry, also known as kiennic symmetry and notated as I2(9)+, is a 2D spherical symmetry group. It is the symmetry group of the enneagon with rotational symmetry but no reflections.
Subgroups[edit | edit source]
- Chiral triangular symmetry (maximal)
- Identity symmetry
Convex polytopes with I2(9)+ symmetry[edit | edit source]
- Enneagon (regular)