Point group | TCI classification |

1 | N/A |

ℤ_{2} | |

2 | ℤ_{2} |

m | ℤ |

2/m | ℤ × ℤ_{2} |

222 | |

mm2 | ℤ^{2} |

mmm | ℤ^{3} |

4 | ℤ_{2} |

ℤ_{2} | |

4/m | ℤ × ℤ_{2} |

422 | |

4mm | ℤ^{2} |

ℤ × ℤ_{2} | |

4/mmm | ℤ^{3} |

3 | N/A |

ℤ_{2} | |

32 | ℤ_{2} |

3m | ℤ |

ℤ × ℤ_{2} | |

6 | ℤ_{2} |

ℤ | |

6/m | ℤ × ℤ_{2} |

622 | |

6mm | ℤ^{2} |

ℤ^{2} | |

6/mmm | ℤ^{3} |

23 | N/A |

ℤ | |

432 | ℤ_{2} |

ℤ | |

ℤ^{2} |