Results 1 to 10 of about 49,400 (294)

Covering Theorem for Finite Nonabelian Simple Groups

open access: goldمجلة بغداد للعلوم, 2007
In this paper, we show that for the alternating group An, the class C of n- cycle, CC covers An for n when n = 4k + 1 > 5 and odd. This class splits into two classes of An denoted by C and C/, CC= C/C/ was found.
Baghdad Science Journal
doaj   +3 more sources

Infinite locally finite simple groups with many complemented subgroups [PDF]

open access: yesInternational Journal of Group Theory, 2022
We prove that the following families of (infinite) groups have complemented subgroup lattice‎: ‎alternating groups‎, ‎finitary symmetric groups‎, ‎Suzuki groups over an infinite locally finite field of characteristic $2$‎, ‎Ree groups over an infinite ...
Maria Ferrara, Marco Trombetti
doaj   +1 more source

A new characterization of some characteristically simple groups [PDF]

open access: yesAUT Journal of Mathematics and Computing, 2023
Let $G$ be a finite group and $\mathrm{cd}(G)$ be the set of irreducible complex character degrees of $G$. It was proved that some finite simple groups are uniquely determined by their orders and their degree graphs.
Zohreh Sayanjali
doaj   +1 more source

Normalizer property of finite groups with almost simple subgroups

open access: yesElectronic Research Archive, 2022
In this paper, we prove that all Coleman automorphisms of extension of an almost simple group by an abelian group or a simple group are inner. Using our methods we also show that the Coleman automorphisms of 2-power order of an odd order group by an ...
Jingjing Hai , Xian Ling
doaj   +1 more source

The recognition of finite simple groups with no elements of order $10$ by their element orders [PDF]

open access: yesInternational Journal of Group Theory, 2022
The spectrum of a finite group is the set of‎ ‎its element orders‎. ‎$H$ is said to be a finite cover of $G$ if $G$‎ ‎is a homomorphic image of $H$ and $H$ is finite‎.
Huaiyu He, Wujie Shi
doaj   +1 more source

GENERATING MAXIMAL SUBGROUPS OF FINITE ALMOST SIMPLE GROUPS

open access: yesForum of Mathematics, Sigma, 2020
For a finite group $G$, let $d(G)$ denote the minimal number of elements required to generate $G$. In this paper, we prove sharp upper bounds on $d(H)$ whenever $H$ is a maximal subgroup of a finite almost simple group.
ANDREA LUCCHINI   +2 more
doaj   +1 more source

A Simple Classification of Finite Groups of Order p2q2 [PDF]

open access: yesMathematics Interdisciplinary Research, 2018
‎Suppose G is a group of order p2q2 where p>q are prime numbers and suppose P and Q are Sylow p-subgroups and Sylow q-subgroups of G, ‎respectively‎. ‎In this paper‎, ‎we show that up to isomorphism‎, ‎there are four groups of order p2q2 when Q and P are
Aziz Seyyed Hadi   +2 more
doaj   +1 more source

Seven Small Simple Groups Not Previously Known to Be Galois Over Q

open access: yesMathematics, 2022
In this note we realize seven small simple groups as Galois groups over Q. The technique that we employ is the determination of the images of Galois representations attached to modular and automorphic forms, relying in two cases on recent results of ...
Luis Dieulefait   +2 more
doaj   +1 more source

Groups with a Strongly Embedded Subgroup Saturated with Finite Simple Non-abelian Groups

open access: yesИзвестия Иркутского государственного университета: Серия "Математика", 2020
An important concept in the theory of finite groups is the concept of a strongly embedded subgroup. The fundamental result on the structure of finite groups with a strongly embedded subgroup belongs to M. Suzuki.
A.A. Shlepkin
doaj   +1 more source

Finite groups with the same conjugacy class sizes as a finite simple group [PDF]

open access: yesInternational Journal of Group Theory, 2019
For a finite group $H$‎, ‎let $cs(H)$ denote the set of non-trivial conjugacy class sizes of $H$ and $OC(H)$ be the set of the order components of $H$‎. ‎In this paper‎, ‎we show that if $S$ is a finite simple group with the disconnected prime graph and $
Neda Ahanjideh
doaj   +1 more source

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