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math.CO2019
On divisibility by primes in columns of character tables of symmetric groups
Lucia Morotti
For an arbitrary prime we prove that the proportion of entries divisible by in certain columns of the character table of the symmetric group tends to 1 as $n\to\infty…
math.CO2015
Sign conjugacy classes of the alternating groups
Lucia Morotti
A conjugacy class of a finite group is a sign conjugacy class if every irreducible character of takes value 0, 1 or -1 on . In this paper we classify the sign conjug…