Unit groups of some multiquadratic number fields and 2-class groups
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Let p ≡ - q ≡ 5 ( mod 8 ) be two prime integers. In this paper, we investigate the unit groups of the fields L 1 = Q ( 2 , p , q , - 1 ) and L 1 + = Q ( 2 , p , q ) . Furthermore , we give the second 2-class groups of the subextensions of... ...
