Hecke fields of weight one exotic newforms
Ryotaro Sakamoto, Sho Yoshikawa
公開日: 2025/8/30
Abstract
We determine the Hecke fields arising from weight-one newforms of $A_4$-type, $S_4$-type, and $A_5$-type in terms of the order of their nebentypus. For such newforms of square-free level, we provide a more refined classification of the corresponding Hecke fields.