http://www.lmfdb.org/NumberField/
http://www.lmfdb.org/NumberField/QuadraticImaginaryClassGroups
http://www.lmfdb.org/NumberField/?degree=2
http://www.lmfdb.org/NumberField/?degree=23
http://www.lmfdb.org/NumberField/?discriminant=0..99
http://www.lmfdb.org/NumberField/?discriminant=-10000..-1001
http://www.lmfdb.org/NumberField/?discriminant=1000..9999
http://www.lmfdb.org/NumberField/?signature=%5B2%2C0%5D
http://www.lmfdb.org/NumberField/?signature=%5B5%2C0%5D
http://www.lmfdb.org/NumberField/?class_number=1
http://www.lmfdb.org/NumberField/?class_number=6..10
http://www.lmfdb.org/NumberField/?class_number=5
http://www.lmfdb.org/NumberField/?class_group=%5B2%2C4%5Dhttp://www.lmfdb.org/NumberField/2.2.5.1
http://www.lmfdb.org/NumberField/5.5.6234839521.1
http://www.lmfdb.org/NumberField/8.0.705911761.1
http://www.lmfdb.org/NumberField/23.23.6111571184724799803076702357055363809.1
http://www.lmfdb.org/NumberField/random
http://www.lmfdb.org/NumberField/random
http://www.lmfdb.org/NumberField/random
http://www.lmfdb.org/NumberField/?galois_group=C5
http://www.lmfdb.org/NumberField/?galois_group=8T12
http://www.lmfdb.org/NumberField/?ur_primes=2,3
http://www.lmfdb.org/NumberField/?ram_quantifier=some&ram_primes=2,3
http://www.lmfdb.org/NumberField/?ram_quantifier=all&ram_primes=2,3