ClassFieldTheory.narrowRayClassModulus
The modulus with no finite exponent and positivity at every real place. Its ray class group is the narrow ideal class group.
Source context 4 commands
Surrounding namespaces, section variables, and local commands at this declaration.
noncomputable section
namespace ClassFieldTheory
universe u
open scoped Classical inLean source · full declaration
def narrowRayClassModulus
(K : Type u) [Field K] [NumberField K] : RayClassModulus K where
finitePart := 0
infinitePart := Finset.univ