Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Enumerating representations of general unitary groups over principal
  ideal rings of length 2   We enumerate the number of complex irreducible representations of each degree
of general unitary groups of degree 4 over principal ideal rings of length 2.

1
The categories of this paper are: cs
19
The categories of this paper are: eess
3
The categories of this paper are: physics
13
The categories of this paper are: quant-ph
11
The categories of this paper are: hep-lat
24
The categories of this paper are: dg-ga
32
The categories of this paper are: atom-ph
31
The categories of this paper are: ao-sci
6
The categories of this paper are: astro-ph
34
The categories of this paper are: chem-ph
20
The categories of this paper are: acc-phys
7
The categories of this paper are: hep-th
10
The categories of this paper are: q-bio
14
The categories of this paper are: math-ph
21
The categories of this paper are: adap-org
33
The categories of this paper are: plasm-ph