Abstract
A group is called metahamiltonian if all its non-abelian subgroups are normal. It is proved here that a (generalized) soluble group satisfying the weak minimal condition on non-normal non-abelian subgroups is either minimax or metahamiltonian.
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De Mari, F. Groups with the weak minimal condition on non-normal non-abelian subgroups. Beitr Algebra Geom 61, 1–7 (2020). https://doi.org/10.1007/s13366-019-00450-1
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DOI: https://doi.org/10.1007/s13366-019-00450-1