Construction of class fields over imaginary biquadratic fields

Ja Kyung Koo, Dong Sung Yoon

Let $K$ be an imaginary biquadratic field and $K_1$, $K_2$ be its imaginary quadratic subfields. For integers $N>0$, $\mu \ge 0$ and an odd prime $p$ with $\gcd (N,p)=1$, let $K_{(Np^…