On $$mathfrak {F}_{hq}$$-supplemented subgroups of a finite group |
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Authors: | M. Ezzat Mohamed Mohammed M. Al-Shomrani M. I. Elashiry |
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Affiliation: | 1.Faculty of Arts and Science,Northern Border University,Rafha,Saudi Arabia;2.Mathematics Department, Faculty of Science,King Abdulaziz University,Jeddah,Saudi Arabia;3.Department of Mathematics, Faculty of Science,Fayoum University,Faiyum,Egypt |
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Abstract: | A subgroup H of a finite group G is quasinormal in G if it permutes with every subgroup of G. A subgroup H of a finite group G is (mathfrak {F}_{hq})-supplemented in G if G has a quasinormal subgroup N such that HN is a Hall subgroup of G and ((Hcap N)H_{G}/ H_{G} le Z_{mathfrak {F}}(G/H_{G})), where (H_{G}) is the core of H in G and ({Z}_{mathfrak {F}} (G/H_{G})) is the (mathfrak {F})-hypercenter of ({G/H}_{G}). This paper concerns the structure of a finite group G under the assumption that some subgroups of G are (mathfrak {F}_{hq})-supplemented in G. |
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