
The author gives a survey (without proofs) of the high points of the theory of subnormal subgroups developed over the last fifty years. The article is intended as an introduction to the book by Lennox and Stonehewer.
Chains and lattices of subgroups, subnormal subgroups, subnormal subgroups, Subnormal subgroups of abstract finite groups
Chains and lattices of subgroups, subnormal subgroups, subnormal subgroups, Subnormal subgroups of abstract finite groups
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