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...
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Format: | Article |
Language: | Belarusian |
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Belarusian State University
2019-11-01
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Series: | Журнал Белорусского государственного университета: Математика, информатика |
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Online Access: | https://journals.bsu.by/index.php/mathematics/article/view/1044 |