trac 15829 Ray class groups and Hecke characters

sagemath · fchapoton · Jul 18, 2017 · May 31, 2021 · Jun 7, 2021 · Jun 7, 2021
commit 34b628bef4e4b65bc8063a1220af99c751a2700b
diff --git a/src/sage/modular/all.py b/src/sage/modular/all.py
@@ -14,6 +14,8 @@
                         kronecker_character, kronecker_character_upside_down,
                         trivial_character)
 
+from .hecke_character import HeckeCharacterGroup
+
 from .arithgroup.all import (Gamma0, Gamma1, GammaH, Gamma, SL2Z,
                              ArithmeticSubgroup_Permutation,
                              CongruenceSubgroup, FareySymbol)