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In the paper we study irreducible representations of some nilpotent groups of finite abelian total rank. The main result of the paper states that if a torsion-free minimax group $G$ of nilpotency class 2 admits a faithful irreducible…

Representation Theory · Mathematics 2024-12-30 Anatolii V. Tushev

We investigate some situation in which automorphisms of a group G are uniquely determined by their restrictions to a proper subgroup H. Much of the paper is devoted to studying under which additional hypotheses this property forces G to be…

Group Theory · Mathematics 2007-05-23 Giovanni Cutolo , Chiara Nicotera

We consider ordered tuples in finite groups generating nilpotent subgroups. Given an integer $q$ we consider the poset of nilpotent subgroups of class less than $q$ and its corresponding coset poset. These posets give rise to a family of…

Group Theory · Mathematics 2014-02-26 Enrique Torres-Giese

Let G be a group and N be the class of nilpotent groups. A subset A of G is said to be nonnilpotent if for any two distinct elements a and b in A, ha, bi 62 N. If, for any other nonnilpotent subset B in G, |A| ? |B|, then A is said to be a…

Group Theory · Mathematics 2013-09-24 Mohammad Zarrin

We classify all triples $(G,V,H)$ such that $SL_n(q)\leq G\leq GL_n(q)$, $V$ is a representation of $G$ of dimension greater than one over an algebraically closed field $\FF$ of characteristic coprime to $q$, and $H$ is a proper subgroup of…

Representation Theory · Mathematics 2008-11-18 Alexander S. Kleshchev , Pham Huu Tiep

In this paper, we study nilpotent $\mathbb{Q}$$[x]$-powered groups that satisfy the following property: For some set of primes $\omega$ in $\mathbb{Q}$$[x]$, every $\omega '$-isolated $\mathbb{Q}$$[x]$-subgroup in some family of its…

Group Theory · Mathematics 2024-01-09 Stephen Majewicz , Marcoz Zyman

Let G be a Lie group over a local field of positive characteristic which admits a contractive automorphism f (i.e., the forward iterates f^n(x) of each group element x converge to the neutral element 1). We show that then G is a torsion…

Group Theory · Mathematics 2007-05-23 Helge Glockner

Suppose that $G$ is a finite group and $H$ is a nilpotent subgroup of $G$. If a character of $H$ induces an irreducible character of $G$, then the generalized Fitting subgroup of $G$ is nilpotent.

Representation Theory · Mathematics 2019-02-27 Zoltan Halasi , Attila Maroti , Gabriel Navarro , Pham Huu Tiep

In this article we show that for every prime number $p$, any irreducible homogeneous locally nilpotent derivations of rank $2$ and degree $p-2$ are triangularizable. Further, we describe the structure of irreducible non-triangularizable…

Commutative Algebra · Mathematics 2024-03-22 Parnashree Ghosh

The classification of the finite subgroups of $\mathrm{GL}_n(\mathbb{C})$ and $\mathrm{PGL}_n(\mathbb{C})$ is a classical problem in the field of finite group theory, dating back to the late 19th century with authors like Klein, Jordan,…

Group Theory · Mathematics 2025-10-02 Gerard Gonzalo Calbetó

Let $m,n$ be positive integers and $p$ a prime. We denote by $\nu(G)$ an extension of the non-abelian tensor square $G \otimes G$ by $G \times G$. We prove that if $G$ is a residually finite group satisfying some non-trivial identity $f…

Group Theory · Mathematics 2017-04-14 Raimundo Bastos , Noraí Romeu Rocco

We describe the structure of "K-approximate subgroups'' of solvable subgroups of GL_n(C), showing that they have a large nilpotent piece. By combining this with the main result of our recent paper on approximate subgroups of torsion-free…

Group Theory · Mathematics 2009-07-07 Emmanuel Breuillard , Ben Green

In the present paper we give the full description of the Lie nilpotent group algebras which have maximal Lie nilpotency indices.

Rings and Algebras · Mathematics 2007-05-23 Victor Bovdi , Ernesto Spinelli

We give some examples of non-nilpotent locally nilpotent, and hence nonlinear subgroups of the planar Cremona group.

Algebraic Geometry · Mathematics 2017-01-03 Yves Cornulier

In this paper we study the existence of free non-abelian subgroups in non-central permutable subgroups of general skew linear groups and locally finite group algebras.

Rings and Algebras · Mathematics 2019-12-23 Le Qui Danh , Mai Hoang Bien , Bui Xuan Hai

Let $F$ be a field of prime characteristic $p$ and let $q$ be a power of $p$. We assume that $F$ contains the finite field of order $q$. A $q$-polynomial $L$ over $F$ is an element of the polynomial ring $F[x]$ with the property that those…

Number Theory · Mathematics 2023-03-10 Rod Gow , Gary McGuire

For a finite group $G$, let $LC(G)$ be the subgroup generated by elements $x$ such that, for all $y \in G$ and all integers $n$, the order of $x^n y$ divides the least common multiple of the orders of $x$ and $y$. This subgroup is a…

Group Theory · Mathematics 2025-02-07 M. Amiri , I. Kashuba , I. Lima

In this paper, we introduce the relative $n$-tensor nilpotent degree of a finite group $G$ with respect to a subgroup $H$ of $G$. The aim of this paper is to investigate this concept and give some results on this topic.

Group Theory · Mathematics 2022-08-31 Hanieh Golmakani , Abbas Jafarzadeh

In this paper, we establish the theory of nilpotent hypergroups and study some properties of nilpotent hypergroups and provided some structural characterizations of nilpotent hypergroups.

Group Theory · Mathematics 2023-10-31 Chi Zhang , Wenbin Guo

We consider linear groups and Lie groups over a non-Archimedean local field $\mathbb F$ for which the power map $x\mapsto x^k$ has a dense image or it is surjective. We prove that the group of $\mathbb F$-points of such algebraic groups is…

Group Theory · Mathematics 2021-03-12 Arunava Mandal , C. R. E. Raja