A subgroup H\documentclass[12pt]{minimal}
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\begin{document}$$H$$\end{document} of a group G\documentclass[12pt]{minimal}
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\begin{document}$$G$$\end{document} is called c∗\documentclass[12pt]{minimal}
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\begin{document}$$c^*$$\end{document}-normal in G\documentclass[12pt]{minimal}
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\begin{document}$$G$$\end{document} if there exists a normal subgroup N\documentclass[12pt]{minimal}
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\begin{document}$$N$$\end{document} of G\documentclass[12pt]{minimal}
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\begin{document}$$G$$\end{document} such that G=HN\documentclass[12pt]{minimal}
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\begin{document}$$G=HN$$\end{document} and H∩N\documentclass[12pt]{minimal}
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\begin{document}$$H\cap N$$\end{document} is S\documentclass[12pt]{minimal}
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\begin{document}$$S$$\end{document}-quasinormally embedded in G\documentclass[12pt]{minimal}
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\begin{document}$$G$$\end{document}. A subgroup K\documentclass[12pt]{minimal}
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\begin{document}$$K$$\end{document} of G\documentclass[12pt]{minimal}
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\begin{document}$$G$$\end{document} is said to be s\documentclass[12pt]{minimal}
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\begin{document}$$s$$\end{document}-semipermutable if it is permutable with every Sylow p\documentclass[12pt]{minimal}
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\begin{document}$$p$$\end{document}-subgroup of G\documentclass[12pt]{minimal}
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\begin{document}$$G$$\end{document} with (p,|K|)=1\documentclass[12pt]{minimal}
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\begin{document}$$(p, |K|)=1$$\end{document}. In this article, we investigate the influence of c∗\documentclass[12pt]{minimal}
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\begin{document}$$c^*$$\end{document}-normality and s\documentclass[12pt]{minimal}
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\begin{document}$$s$$\end{document}-semipermutability of subgroups on the structure of finite groups and generalize some known results.