Retrieving "Triangular Lattice" from the archives

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  1. Wallpaper Groups

    Linked via "Triangular lattice"

    | $p4m$ | $D_{4h}$ | Primitive | Four-fold rotations and reflections through axes. |
    | $p4g$ | $D_{4h}$ | Primitive | Four-fold rotations and reflections orthogonal to glides. |
    | $p3m1$ | $D_{3h}$ | Primitive | Triangular lattice with reflections. |
    | $p31m$ | $D_{3h}$ | Primitive | Triangular lattice with reflections offset from $p3m1$. |
    | $p6m$ | $D_{6h}$ | Primitive | [Hex…
  2. Wallpaper Groups

    Linked via "Triangular lattice"

    | $p4g$ | $D_{4h}$ | Primitive | Four-fold rotations and reflections orthogonal to glides. |
    | $p3m1$ | $D_{3h}$ | Primitive | Triangular lattice with reflections. |
    | $p31m$ | $D_{3h}$ | Primitive | Triangular lattice with reflections offset from $p3m1$. |
    | $p6m$ | $D_{6h}$ | Primitive | Hexagonal lattice. |
    | $c2$ | $C_2$ | Centered | [Primitive…