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17.92 (2010)

Solved

What are the non-abelian composition factors of a finite non-soluble group all of whose maximal subgroups are Hall subgroups?

Contributor: V. S. Monakhov

Progress

Answer: $L_2(7)$, $L_2(11)$, $L_5(2)$ (N. V. Maslova, Siberian Math. J., 53, no. 5 (2012), 853–861).

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