# Propentagonal prismatic symmetry

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Propentagonal prismatic symmetry | |
---|---|

Rank | 3 |

Space | Spherical |

Order | 10 |

**Propentagonal prismatic symmetry**, also known as **propippic symmetry** and notated as **H _{2}+×A_{1}**, is a 3D spherical symmetry group. It is equivalent to the symmetry of a pentagonal prism if the bases are seen as having chiral pentagonal rather than full pentagonal symmetry.

### Subgroups[edit | edit source]

- Chiral pentagonal pyramidal symmetry (maximal)
- Reflection symmetry (maximal)
- Identity symmetry

### Convex polytopes with H_{2}+×A_{1} symmetry[edit | edit source]

- Pentagonal prism (isogonal)/Pentagonal tegum (isotopic)