Abstract
A subgroup A of a group G is called seminormal in G, if there exists a subgroup B such that \(G=AB\) and AX is a subgroup of G for every subgroup X of B. Let G be a supersoluble group. Then it has an ordered Sylow tower of supersoluble type \(1=G_0< G_1< \cdots < G_m=G\). If for every i all maximal subgroups of \(G_{i}/G_{i-1}\) are seminormal in \(G/G_{i-1}\), then G is said to be ms-supersoluble. In this paper, we proved the supersolubility of a group \(G=AB\) under condition that A and B are normal in G and ms-supersoluble.
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Trofimuk, A. A note on the supersolubility of a group with ms-supersoluble factors. Ricerche mat 70, 517–521 (2021). https://doi.org/10.1007/s11587-020-00493-w
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DOI: https://doi.org/10.1007/s11587-020-00493-w