Given a quadratic field K, we determine the number of quadratic extensions of K, which are unramified at all finite primes.

Additional Metadata
Keywords Biquadratic fields, Unramified quadratic extensions
Persistent URL dx.doi.org/10.1216/rmjm/1181072249
Journal Rocky Mountain Journal of Mathematics
Citation
Spearman, B.K. (Blair K.), & Williams, K.S. (1995). Unramified quadratic extensions of a quadratic field. Rocky Mountain Journal of Mathematics, 25(2), 783–788. doi:10.1216/rmjm/1181072249