RECOGNISING REE GROUPS 2G2(q) USING THE CODEGREE SET

Authors：Guan, Haiyan; Zhang, Xuning; Yang, Yong^*

Source：BULLETIN OF THE AUSTRALIAN MATHEMATICAL SOCIETY, 2023, 108(1): 125-132.

DOI：10.1017/S0004972722001022

• codegree
• Ree group
• simple group

The codegree of an irreducible character? of a finite group G is |G : ker?|/?(1). We show that the Ree group (2)G(2)(q), where q = 3(2 f +1), is determined up to isomorphism by its set of codegrees.

• Institution
  y