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Why are they called the dihedral groups? - Mathematics Stack …
symmetry - Why must an isotoxal polyhedron or tiling be isogonal …
Presentations of the dihedral and quaternion groups
History of Dihedral Groups? - Mathematics Stack Exchange
Coloring sides of truncated triangular dihedral (bipyramid) into 3 ...
abstract algebra - Conjugate class in the dihedral group
Is there a conformal mapping from the surface of a cube to the …
Normal subgroups of dihedral groups - Mathematics Stack Exchange
geometry - degenerate polyhedra as double polygons
What are the elements of the dihedral group D (3)?