Groups with finitely many conjugacy classes of non-normal subgroups of infinite rank
Maria De Falco ; Francesco de Giovanni ; Carmela Musella
Colloquium Mathematicae, Tome 131 (2013), p. 233-239 / Harvested from The Polish Digital Mathematics Library
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It is proved that if a locally soluble group of infinite rank has only finitely many non-trivial conjugacy classes of subgroups of infinite rank, then all its subgroups are normal.

Publié le : 2013-01-01
EUDML-ID : urn:eudml:doc:284208 
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     volume = {131},
     year = {2013},
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Maria De Falco; Francesco de Giovanni; Carmela Musella. Groups with finitely many conjugacy classes of non-normal subgroups of infinite rank. Colloquium Mathematicae, Tome 131 (2013) pp. 233-239. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-cm131-2-6/