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If $G$ is a group and $N$ is a normal subgroup of $G$, then the operation $(aN)*(bN) = (ab)N$ is well-defined on the set of left cosets of $N$. The result is a group, called a quotient group of $G$ by $N$.

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• Review status: beta
• Last edited by John Jones on 2019-05-23 20:07:25
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