Weakly normal subgroup

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In mathematics, in the field of group theory, a subgroup of a group is said to be weakly normal if whenever , we have .

Every pronormal subgroup is weakly normal.

References[edit]

  • Ballester-Bolinches, Adolfo; Esteban-Romero, R. (2003), "On finite T-groups", Journal of the Australian Mathematical Society, 75 (2): 181–191, ISSN 1446-7887, MR 2000428, doi:10.1017/S1446788700003712 
  • Müller, Karl Hans (1966), "Schwachnormale Untergruppen: Eine gemeinsame Verallgemeinerung der normalen und normalisatorgleichen Untergruppen", Rendiconti del Seminario Matematico della Università di Padova. the Mathematical Journal of the University of Padova, 36: 129–157, ISSN 0041-8994, MR 0204528