Subgroup
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A subgroup is a subset of a mathematical group that is also a group.
Subgroup is a college-level concept that would be first encountered in an abstract algebra course covering group theory.
Prerequisites
| Group: | A mathematical group is a set of elements and a binary operation that together satisfy the four fundamental properties of closure, associativity, the identity property, and the inverse property. |
| Subset: | A subset is a portion of a set. Subsets can also consist of the entire set or be empty. |