就素数d=5,13,29,53,173,293时给出了虚二次数域Q(-√k)与Q(√-kd)(k〉2,k∈C)的类数之间的关系.
We give the relation between the class number h(- k) and the class number h (- kd) with d: 5,13,29,53, 173,293 for the imaginary quadratic number fields.