KnowraSimple groupLinked fromLinked fromThe 12 pages that link to Simple group, each with the reason it gives.All 12Broader topic 1Related 5Narrower topic 5Compared with 1Normal subgroupRelated: Normal subgroups determine whether a group is simple.Composition seriesRelated: A composition series is defined by requiring every successive quotient to be simple.Isomorphism theoremsRelated: Theorems about quotients reduce questions about group structure to normal subgroups.Zassenhaus lemmaRelated: Simple groups are the factors whose uniqueness the Jordan–Hölder theorem secures.Feit–Thompson theoremRelated: Simple groups are key building blocks in structural arguments about finite groups.