Abstract.
In this paper the authors consider the class of groups in which every proper subgroup is nilpotent-by-finite rank. There exist infinite simple groups with this property. Among the results proved is the theorem that a locally soluble-by-finite such group that is not a perfect p-group is itself nilpotent-by-finite rank, provided the group has no infinite simple images.
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Received: 11.3.1999
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Dixon, M., Evans, M. & Smith, H. Groups with all proper subgroups nilpotent-by-finite rank. Arch. Math. 75, 81–91 (2000). https://doi.org/10.1007/PL00000436
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DOI: https://doi.org/10.1007/PL00000436