Dihedral group

Dihedral group
Tag	`0JZ27DMJ5D`
URI	`m2://0JZ27DMJ5D`
Kind	concept
Writing	W1 stated
MSC	20B25
Same as	Wikidata Q558339 Wikipedia Dihedral group

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Summary

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

What this node needs for W2

edge not_instance_of in: at least one non-example (0 of 1)
edge specializes both: the more general notions and the special cases (0 of 1)

The writing levels say how complete the text of a node is. They do not measure its truth.

Sources

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

What links here

Instances

The dihedral group of order 8 054SBCQ93T
The symmetric group S3 09H9Y0Q11W

Definitions

Dihedral group 09GK3DE0WV