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If $H$ is a subgroup of a group $G$, then the centralizer of $H$ is the subgroup \[ C_G(H) = \{ g\in G\mid gh=hg \text{ for all } h\in H\}.\]

Knowl status:
  • Review status: beta
  • Last edited by John Jones on 2019-06-10 17:26:00
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Not referenced anywhere at the moment.

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