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Action of a Frobenius-like group with kernel having central derived subgroup
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Date
2016-09-01
Author
Ercan, Gülin
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A finite group FH is said to be Frobenius-like if it has a nontrivial nilpotent normal subgroup F with a nontrivial complement H such that [F, h] = F for all nonidentity elements h is an element of H. Suppose that a finite group G admits a Frobenius-like group of auto-morphisms FH of coprime order with [F', H] = 1. In case where C-G( F) = 1 we prove that the groups G and C-G( H) have the same nilpotent length under certain additional assumptions.
Subject Keywords
Frobenius-like group
,
Fixed Points
,
Nilpotent Length
URI
https://hdl.handle.net/11511/48783
Journal
INTERNATIONAL JOURNAL OF ALGEBRA AND COMPUTATION
DOI
https://doi.org/10.1142/s0218196716500533
Collections
Department of Mathematics, Article
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A finite group FH is said to be Frobenius-like if it has a nontrivial nilpotent normal subgroup F with a nontrivial complement H such that for all nonidentity elements . Let FH be a Frobenius-like group with complement H of prime order such that is of prime order. Suppose that FH acts on a finite group G by automorphisms where in such a way that In the present paper we prove that the Fitting series of coincides with the intersections of with the Fitting series of G, and the nilpotent length of G exceeds the...
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We call a finite group Frobenius-like if it has a nontrivial nilpotent normal subgroup F possessing a nontrivial complement H such that [F, h] = F for all nonidentity elements h is an element of H. We prove that any irreducible nontrivial FH-module for a Frobenius-like group FH of odd order over an algebraically closed field has an H-regular direct summand if either F is fixed point free on V or F acts nontrivially on V and the characteristic of the field is coprime to the order of F. Some consequences of t...
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We prove that a finite solvable group G admitting a Frobenius group FH of automorphisms of coprime order with kernel F and complement H such that [G, F] = G and C-CG(F) (h) = 1 for all nonidentity elements h is an element of H, is of nilpotent length equal to the nilpotent length of the subgroup of fixed points of H.
Action of a Frobenius-like group with fixed-point free kernel
Ercan, Gülin (Walter de Gruyter GmbH, 2014-09-01)
We call a finite group Frobenius-like if it has a nontrivial nilpotent normal subgroup F possessing a nontrivial complement H such that [F,h] = F for all nonidentity elements h is an element of H. We prove that any irreducible nontrivial FH-module for a Frobenius-like group FH of odd order over an algebraically-closed field has an H-regular direct summand if either F is fixed-point free on V or F acts nontrivially on V and the characteristic of the field is coprime to the order of F. Some consequences of th...
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G. Ercan, “Action of a Frobenius-like group with kernel having central derived subgroup,”
INTERNATIONAL JOURNAL OF ALGEBRA AND COMPUTATION
, pp. 1257–1265, 2016, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/48783.