# Square antiprismatic symmetry

**Square antiprismatic symmetry**, also known as **squappic symmetry** and notated **(I _{2}(8)×A_{1})/2**, is a 3D spherical symmetry group. It is the symmetry group of the square antiprism.

Square antiprismatic symmetry | |
---|---|

Rank | 3 |

Space | Spherical |

Order | 16 |

### Subgroups edit

### Convex polytopes with (I_{2}(8)×A_{1})/2 symmetry
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- Square antiprism (isogonal)/Square antitegum (isotopic)
- Ditetragonal trapezoprism (isogonal)/Square scalenohedron (isotopic)