Math 2.0

Group theory and generalizations Finite groups Concept

Dihedral group

Summary

The dihedral group DnD_n is the group of the symmetries of a regular polygon with nn sides, for n≥3n \geq 3. It has nn rotations and nn reflections, so it has order 2n2n.

Where this leads

4 pages build on this one.

Further reading

  1. Web https://en.wikipedia.org/wiki/Dihedral_group, lead section
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