Abstract
Given a set π of prime numbers, we define the class of all finite groups in which Hall π-subgroups exist and are pronormal by analogy with the Hall classes , , and . We study whether is closed under the main class-theoretic closure operations. In particular, we establish that is a saturated formation.
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Original Russian Text Copyright © 2014 Guo W. and Revin D.O.
The first author was supported by the NNSF of China (Grant 11371335) and the Chinese Universities Scientific Fund (Project WK0010000029). The second author was supported by the Russian Foundation for Basic Research (Grant 13-01-00505) and the Target Program of the Siberian Division of the Russian Academy of Sciences for 2012–2014 (Integration Project No. 14).
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Translated from Sibirskiĭ Matematicheskiĭ Zhurnal, Vol. 55, No. 3, pp. 509–524, May–June, 2014.
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Guo, W., Revin, D.O. On the class of groups with pronormal hall π-subgroups. Sib Math J 55, 415–427 (2014). https://doi.org/10.1134/S0037446614030033
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DOI: https://doi.org/10.1134/S0037446614030033