+The **dihedral group** is the group of [symmetries](/wiki/symmetry) of a regular [polygon](/wiki/polygon). It embodies the geometric transformations, including rotations and reflections, that leave the shape invariant.
+## See also
+- [Group Theory](/wiki/group_theory)
+- [Abstract Algebra](/wiki/abstract_algebra)
+- [Cyclic Group](/wiki/cyclic_group)
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