ABSTRACT
A conjugacy class C of a finite group G is a sign conjugacy class if every irreducible character of G takes value 0,1 or −1 on C. In this paper, we classify the sign conjugacy classes of alternating groups.
KEYWORDS:
2010 MATHEMATICS SUBJECT CLASSIFICATION:
Acknowledgments
The author thanks Christine Bessenrodt and Michael Cuntz for questions and discussion about sign conjugacy classes of An, which lead to writing this paper.