Weakly totally permutable products and Fitting classes

Publish Year: 1400
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:

JR_THEGR-10-1_003

تاریخ نمایه سازی: 14 اردیبهشت 1400

Abstract:

It is known that if $ G=AB $ is a product of its totally permutable subgroups $ A $ and $ B $‎, ‎then $ G\in \mathfrak{F} $ if and only if $ A\in \mathfrak{F} $ and $ B\in \mathfrak{F} $ when $ \mathfrak{F} $ is a Fischer class containing the class $ \mathfrak{U} $ of supersoluble groups‎. ‎We show that this holds when $ G=AB $ is a weakly totally permutable product for a particular Fischer class‎, ‎$ \mathfrak{F}\diamond \mathfrak{N} $‎, ‎where $ \mathfrak{F} $ is a Fitting class containing the class $ \mathfrak{U} $ and $ \mathfrak{N} $ a class of nilpotent groups‎. ‎We also extend some results concerning the $ \mathfrak{U} $-hypercentre of a totally permutable product to a weakly totally permutable product‎.

Keywords:

‎weakly totally permutable products‎ , ‎mutually permutable products‎ , ‎Fitting classes

Authors

Sesuai Madanha

Department of Mathematics and Applied Mathematics, University of Pretoria, Private bag X۲۰, Hatfield, ۰۰۲۸, Pretoria, South Africa