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edit approved Jun 20, 2017 at 12:57

Computation Hasse unit index for biquadratic fields

For a totally real (resp. imaginary) biquadratic number field $K$ with quadratic sub fields $K_1$, $K_2$ and $K_3$, is there an explicit method to determine Hasse unit index $(U_K:U_{K_1}U_{K_2}U_{K_3})$?

analytic-number-theory algebraic-number-theory

asked Jun 20, 2017 at 10:13

A. Maarefparvar