3 papers
math.GR2026
The problem of recognition of finite simple groups by element orders is solved
Maria A. Grechkoseeva, Alexey M. Staroletov, Andrey V. Vasil'ev
For a finite group , let be the set of element orders of and let be the number of pairwise nonisomorphic finite groups with . We say that the…
math.RT2025
Minimal Polynomials in Spin Representations of Symmetric and Alternating Groups
Amritanshu Prasad, Velmurugan S, Alexey Staroletov
We determine the minimal polynomial of each element of the double cover of the symmetric or alternating group in every irreducible spin representation of .
math.GR2025
On eigenvalues of permutations in irreducible representations of symmetric and alternating groups
Alexey Staroletov
Denote the symmetric group of degree by . Let be an irreducible representation of over the field of complex numbers and . In this paper, we describe…