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| KASH3 Reference Manual
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| ### Function ClassNumber ( fld^num K ) -> elt-ord^rat ### Optional Arguments
Proof | string |  | "Bound" or "Current" or "Full" or "GRH" or "Subgroup"
Bound | elt-ord^rat |  |
Enum | elt-alg^boo |  |
FactorBasisBound | elt-fld^rea |  |
ProofBound | elt-fld^rea |  |
ExtraRelations | elt-ord^rat |  |
Al | string |  | "Automatic" or "ReducedForms" or "Relations" or "Shanks"
### Description The cardinality of the class group for the ring of integers of K.
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