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Finite groups whose minimal subgroups are weakly H*-subgroups | ||
| International Journal of Group Theory | ||
| مقاله 1، دوره 3، شماره 3، آذر 2014، صفحه 1-11 اصل مقاله (301.12 K) | ||
| نوع مقاله: Research Paper | ||
| شناسه دیجیتال (DOI): 10.22108/ijgt.2014.3837 | ||
| نویسندگان | ||
| Abdelrahman Abdelhamid Heliel* 1؛ Rola Asaad Hijazi2؛ Reem Abdulaziz Al-Obidy2 | ||
| 1Department of Mathematics, Faculty of Science, Beni-Suef university | ||
| 2Department of Mathematics, Faculty of Science, KAU, Saudi Arabia | ||
| چکیده | ||
| Let $G$ be a finite group. A subgroup $H$ of $G$ is called an $\mathcal{H}$-subgroup in $G$ if $N_G(H)\cap H^{g}\leq H$ for all $g\in G$. A subgroup $H$ of $G$ is called a weakly $\mathcal{H}^{\ast}$-subgroup in $G$ if there exists a subgroup $K$ of $G$ such that $G=HK$ and $H\cap K$ is an $\mathcal{H}$-subgroup in $G$. We investigate the structure of the finite group $G$ under the assumption that every cyclic subgroup of $G$ of prime order $p$ or of order $4$ (if $p=2$) is a weakly $\mathcal{H}^{\ast}$-subgroup in $G$. Our results improve and extend a series of recent results in the literature. | ||
| کلیدواژهها | ||
| weakly $mathcal{H}$-subgroup؛ weakly $mathcal{H}^{ast}$-subgroup؛ c-supplemented subgroup؛ generalized Fitting subgroup؛ saturated formation | ||
| مراجع | ||
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