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NumberFieldClassNumber

NumberFieldClassNumber[]
gives the class number for the algebraic number field generated by .
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Basic Examples   (1)
Find the class number of the algebraic number field :
Find the class number of the algebraic number field :
In[1]:=
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Out[1]=
Scope   (2)
Class number of complex and real quadratic fields:
NumberFieldClassNumber automatically threads over lists:
Applications   (1)
Value of the Dirichlet L-functions at for the real primitive character modulo :
Properties & Relations   (1)
Number of representations of 19 as a sum of 3 squares:
Possible Issues   (1)
Class number for some algebraic number fields may not be yet available:
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