Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Certain irreducible characters over a normal subgroup   We extend the Howlett-Isaacs theorem on the solvability of groups of central
type taking into account actions by automorphisms. Then we study certain
induced characters whose constituents have all the same degree.

21
The categories of this paper are: adap-org
28
The categories of this paper are: alg-geom
25
The categories of this paper are: patt-sol
29
The categories of this paper are: funct-an
36
The categories of this paper are: cmp-lg
31
The categories of this paper are: ao-sci
15
The categories of this paper are: nucl-ex
6
The categories of this paper are: astro-ph
16
The categories of this paper are: stat
17
The categories of this paper are: q-fin
32
The categories of this paper are: atom-ph
30
The categories of this paper are: q-alg
14
The categories of this paper are: math-ph
1
The categories of this paper are: cs
37
The categories of this paper are: supr-con
13
The categories of this paper are: quant-ph