MathGloss

Let $G$ be a group and $N$ a normal subgroup of $G$. Define an equivalence relation $\sim$ by setting $g\sim h$ if $g,h \in H$. Then the quotient of $G$ by $N$ (written $G/N$) is the quotient by $\sim$ of $N$. todo Wikidata ID: Q1138961

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