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Results tagged with quadratic-reciprocity
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user 2874
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Context for "Coronidis Loco" from Weil's Basic Number Theory
It is not hard to see that if $L/K$ is an extension of number fields, then the
discriminant of $L/K$, which is an ideal of $K$, is a square in the ideal class group of $K$.
Hecke's theorem lifts this …
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