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If $G$ is a finite group then the Schur multiplier of $G$ is the homology group $H_2(G, \Z)$. It is the maximal kernel of a stem extensions of $G$.
- Review status: reviewed
- Last edited by David Roe on 2021-09-27 17:50:42
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- 2021-09-27 17:50:42 by David Roe (Reviewed)