# Identity symmetry (4D)

(Redirected from I×I×I×I)

Identity symmetry (4D) | |
---|---|

Rank | 4 |

Space | Spherical |

Order | 1 |

**Four-dimensional identity symmetry**, notated as **I×I×I×I**, is a 4D spherical symmetry group. It is the symmetry group of the irregular pentachoron and is equivalent to the identity group which has no symmetry. It therefore appears as a subgroup of any polychoric symmetry.