A criterion for the class number of a pure quintic field to be divisible by 5.
On the l-class group of an algebraic number field.
Dihedral extensions of Q of degree 21 which contain non-Galois extensions with class number not divisible by l
On the genus group of algebraic number fields
On the l-rank of ideal class groups of certain number fields
On 3-class groups of non-Galois cubic fields
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