Ambiguous classes in quadratic fields

Mollin, R. A.

doi:10.1090/S0025-5718-1993-1195434-9

Ambiguous classes in quadratic fields
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Math. Comp. 61 (1993), 355-360 Request permission

Abstract:

We provide sufficient conditions for the class group of a quadratic field (with positive or negative discriminant) to be generated by ambiguous ideals. This investigation was motivated by a recent result of F. Halter-Koch, which we show is false.

References

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