Definition:Generated Subgroup/Definition 1
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Definition
Let $G$ be a group.
Let $S \subset G$ be a subset.
The subgroup generated by $S$ is the smallest subgroup containing $S$.
Also see
Sources
- 1965: J.A. Green: Sets and Groups ... (previous) ... (next): Chapter $5$: Subgroups: Exercise $11$
- 1967: George McCarty: Topology: An Introduction with Application to Topological Groups ... (previous) ... (next): Chapter $\text{II}$: Groups: Exercise $\text{K}$
- 1978: Thomas A. Whitelaw: An Introduction to Abstract Algebra ... (previous) ... (next): $\S 37.5$ Some important general examples of subgroups
- 1996: John F. Humphreys: A Course in Group Theory ... (previous) ... (next): Chapter $4$: Subgroups: Definition $4.7$