# Pentagonal-pentagonal duoprismatic symmetry

**Pentagonal-pentagonal duoprismatic symmetry**, notated as **H _{2}×H_{2}**, is a 4D spherical Coxeter group. It is the symmetry group of the pentagonal-pentagonal duoprism.

Pentagonal-pentagonal duoprismatic symmetry | |
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Rank | 4 |

Space | Spherical |

Order | 100 |

Info | |

Coxeter diagram | |

Related polytopes | |

Omnitruncate | DIpentagonal-dipentagonal duoprism |

### Convex polytopes with A_{2}×A_{2} symmetry
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- Pentagonal-pentagonal duoprism (isogonal)/Pentagonal-pentagonal duotegum (isotopic)
- Pentagonal-dipentagonal duoprism (isogonal)/Pentagonal-pentambic duotegum (isotopic)
- Dipentagonal-dipentagonal duoprism (isogonal)/Pentambic-pentambic duotegum (isotopic)