Results 301 to 310 of about 1,315,413 (357)

On maximal subgroups of Thompson’s group $F$

open access: yesGroups, Geometry, and Dynamics, 2022
We study subgroups of Thompson's group $F$ by means of an automaton associated with them. We prove that every maximal subgroup of $F$ of infinite index is closed, that is, it coincides with the subgroup of $F$ accepted by the automaton associated with it.
Gili Golan Polak
semanticscholar   +3 more sources

The maximal subgroups of the Monster

open access: yesAdvances in Mathematics, 2023
The classification of the maximal subgroups of the Monster $\mathbf{M}$ is a long-standing problem in finite group theory. According to the literature, the classification is complete apart from the question of whether $\mathbf{M}$ contains maximal subgroups that are almost simple with socle $\mathrm{PSL}_2(13)$.
H. Dietrich, Melissa Lee, Tomasz Popiel
semanticscholar   +4 more sources

On 2-maximal subgroups of finite groups

Communications in Algebra, 2021
We distinguish 2-maximal and strictly 2-maximal subgroups of a finite group and give examples of soluble and simple groups in which every 2-maximal subgroup is strictly 2-maximal. Let M be a maximal subgroup of a group G.
M. N. Konovalova, V. Monakhov, I. Sokhor
semanticscholar   +1 more source

The influence of second maximal subgroups on the generalized p-solvability of finite groups

Communications in Algebra, 2021
We investigate the influence of some second maximal subgroups on the structure of finite groups. In details, the p-solvability and generalized p-solvability of finite groups are determined by considering the cover-avoidance property of the sets of some ...
Yuyun Wang, L. Miao, Zh. Gao, Wei Liu
semanticscholar   +1 more source

On Maximal Subgroups of Nonsolvable Groups

Siberian Mathematical Journal, 2022
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
S. Dong, L. Miao, J. Zhang, J. Zhao
openaire   +1 more source

Maximal Subgroups in the Classical Groups Normalizing Solvable Subgroups

Acta Mathematica Sinica, English Series, 2021
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Yang, Yu Cheng, Li, Shang Zhi
openaire   +1 more source

The maximal subgroups of Fi22

Mathematical Proceedings of the Cambridge Philosophical Society, 1987
This paper is a successor of the second author's paper [ibid. 95, 197-222 (1984; Zbl 0551.20010)]. Here all maximal subgroups of the sporadic Fischer simple group Fi(22) and its automorphism group are determined. Working with a 77-dimensional representation over GF(2) for some computations a computer was used.
Kleidman, Peter B., Wilson, Robert A.
openaire   +2 more sources

Weakly maximal subgroups of branch groups

International journal of algebra and computation, 2019
Let $G$ be a branch group acting by automorphisms on a rooted tree $T$. Stabilizers of infinite rays in $T$ are examples of weakly maximal subgroups of $G$ (subgroups that are maximal among subgroups of infinite index), but in general they are not the ...
P. Leemann
semanticscholar   +1 more source

Semistable reduction of modular curves associated with maximal subgroups in prime level

Documenta Mathematica, 2019
We complete the description of semistable models for modular curves associated with maximal subgroups of $\mathrm{GL}_2 ({\mathbb F}_p )$ (for $p$ any prime, $p>5$).
B. Edixhoven, P. Parent
semanticscholar   +1 more source

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