Results 31 to 40 of about 6,235 (209)

Two moonshines for L2(11) but none for M12

open access: yesNuclear Physics B, 2019
In this paper, we revisit an earlier conjecture by one of us that related conjugacy classes of M12 to Jacobi forms of weight zero and index one. We construct Jacobi forms for all conjugacy classes of M12 that are consistent with constraints from group ...
Suresh Govindarajan, Sutapa Samanta
doaj   +1 more source

Characteristics of the Number of Conjugacy Classes and P-Regular Classes in Finite Symmetric Groups

open access: yesIOP Conference Series: Materials Science and Engineering, 2019
In this work, the number of p – regular classes Nprc(Sn) in symmetric group Sn is always less than or equal to the number of conjugacy classes Nc(Sn) in Sn is shown.
S. Khalil, Nadia M. Ali Abbas
semanticscholar   +1 more source

Finite groups have more conjugacy classes [PDF]

open access: yes, 2015
We prove that for every $\epsilon > 0$ there exists a $\delta > 0$ so that every group of order $n \geq 3$ has at least $\delta \log_{2} n/{(\log_{2} \log_{2} n)}^{3+\epsilon}$ conjugacy classes. This sharpens earlier results of Pyber and Keller. Bertram
B. Baumeister   +2 more
semanticscholar   +1 more source

Graphs associated to conjugacy classes of normal subgroups in finite groups [PDF]

open access: yes, 2015
Let G be a finite group and let N be a normal subgroup of G . We attach to N two graphs Γ G ( N ) and Γ G ⁎ ( N ) related to the conjugacy classes of G contained in N and to the set of primes dividing the sizes of these classes, respectively.
A. Beltrán, M. J. Felipe, C. Melchor
semanticscholar   +1 more source

GROUPS WITH SMALL CONJUGACY CLASSES

open access: yesTamkang Journal of Mathematics, 1999
A group satisfies property (*) iff every conjugacy class has size not greater than 2. This paper proves properties of this type of group and conclude that it is a central product of an abelian group with 2-groups that are "almost" extra special.
How, G. A., Chuang, F. C.
openaire   +3 more sources

Sign Conjugacy Classes of the Symmetric Groups [PDF]

open access: yesThe Electronic Journal of Combinatorics, 2015
A conjugacy class $C$ of a finite group $G$ is a sign conjugacy class if every irreducible character of $G$ takes value 0, 1 or -1 on $C$. In this paper we classify the sign conjugacy classes of the symmetric groups and thereby verify a conjecture of Olsson.
openaire   +3 more sources

Conjugacy classes and finite p-groups [PDF]

open access: yesArchiv der Mathematik, 2005
Let $G$ be a finite $p$-group, where $p$ is a prime number, and $a\in G$. Denote by $\Cl(a)=\{gag^{-1}\mid g\in G\}$ the conjugacy class of $a$ in $G$. Assume that $|\Cl(a)|=p^n$. Then $\Cl(a)\Cl(a^{-1})=\{xy\mid x\in \Cl(a), y\in \Cl(a^{-1})\}$ is the union of at least $n(p-1)+1$ distinct conjugacy classes of $G$.
openaire   +2 more sources

A survey on conjugacy class graphs of groups [PDF]

open access: yesExpositiones mathematicae
There are several graphs defined on groups. Among them we consider graphs whose vertex set consists conjugacy classes of a group $G$ and adjacency is defined by properties of the elements of conjugacy classes.
Peter J. Cameron   +3 more
semanticscholar   +1 more source

Lie analysis, conservation laws and travelling wave structures of nonlinear Bogoyavlenskii–Kadomtsev–Petviashvili equation

open access: yesResults in Physics, 2020
In this paper, the Bogoyavlenskii–Kadomtsev–Petviashvili (BKP) equation is taken into consideration by means of Lie symmetry analysis. Infinitesimal generators are computed under the invariance criteria of Lie groups and symmetry group for each generator
Adil Jhangeer   +5 more
doaj   +1 more source

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