# Identity symmetry (3D)

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Identity symmetry (3D) | |
---|---|

Rank | 3 |

Space | Spherical |

Order | 1 |

**Three-dimensional identity symmetry**, also known as **monic symmetry** and notated as **I×I×I**, is a 3D spherical symmetry group. It is the symmetry group of the irregular tetrahedron and is equivalent to the identity group which has no symmetry. It therefore appears as a subgroup of any polyhedral symmetry.