Ciro Santilli
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Subquotient | 🗖 nosplit | ↑ parent "Quotient group" | 61

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Quotient of a subgroup H of G by a normal subgroup of the subgroup H.
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That normal subgroup does not have have to be a normal subgroup of G.
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As an overkill example, the happy family are subquotients of the monster group, but the monster group is simple.
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