On some classes of sublattices of the subgroup lattice

In this paper G always denotes a group. If K and H are subgroups of G, where K is a normal subgroup of H, then the factor group of H by K is called a section of G. Such a section is called normal, if K and H are normal subgroups of G, and trivial, if K and H are equal. We call any set S of normal se...

Full description

Bibliographic Details
Main Author: Alexander N. Skiba
Format: Article
Language:Belarusian
Published: Belarusian State University 2019-11-01
Series: Журнал Белорусского государственного университета: Математика, информатика
Subjects:
Online Access:https://journals.bsu.by/index.php/mathematics/article/view/1044