Dihedral group

Rarity: Uncommon

A topic a little better known than average, read and translated beyond its own country.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

At a glance

Class

Notion

Domain

Science and technology

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What Wikipedia says

In mathematics, a dihedral group is the group of symmetries of a regular polygon, which includes rotations and reflections. Dihedral groups are among the simplest examples of finite groups, and they play an important role in group theory, geometry, and chemistry.

Excerpt from the Wikipedia article “Dihedral group”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Adapted from File:Red Diamond.png by User:Denelson83 and Zscout370., Public domain, via Wikimedia Commons.