3 papers
math.RT2024
On Minimal Polynomials of Elements in Symmetric and Alternating Groups
Velmurugan S
Let be an irreducible representation of the symmetric group (or the alternating group ), and let be a permutation on letters with each of its cyc…
math.RT2024
Cyclic Characters of Alternating Groups
Amrutha P, Amritanshu Prasad, Velmurugan S
We determine the eigenvalues with multiplicity of each element of an alternating group in any irreducible representation. This is equivalent to determining the decomposition of cyc…
math.RT2024
Covering Numbers of Some Irreducible Characters of the Symmetric Group
Rijubrata Kundu, Velmurugan S
The covering number of a non-linear character of a finite group is the least positive integer such that every irreducible character of occurs in . We determi…