C-normal subgroup

In mathematics, in the field of group theory, a subgroup of a group is called c-normal if there is a normal subgroup of such that and the intersection of and lies inside the normal core of .

For a weakly c-normal subgroup, we only require to be subnormal.

Here are some facts on c-normal subgroups:

References

  • Y. Wang, c-normality of groups and its properties, Journal of Algebra, Vol. 180 (1996), 954-965


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