| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 4597598 | Journal of Pure and Applied Algebra | 2010 | 6 Pages |
Abstract
We extended the normal index from maximal subgroups to proper subgroups. We give a quantitative version of all results obtained by using c-normal subgroups and obtain some new characterizations of solvable, supersolvable and nilpotent groups by the normal indices of proper subgroups.
Related Topics
Physical Sciences and Engineering
Mathematics
Algebra and Number Theory
