Listar MAT_Articles por fuente "Monatshefte für Mathematik (July 2012), vol. 167, no 1,1-12"

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    • closedAccess   Structure of normal subgroups with three G-class sizes 

      Beltrán, Antonio; Felipe, Maria José; Akhlaghi, zeinab; Khatami, Maryam Springer-Verlag (2012)
      Let G be a finite group and N be a normal subgroup of G. Suppose that the set of G-conjugacy class sizes of N is {1, m, n}, with m < n and m does not divide n. In this paper, we show that N is solvable, and we determine ...