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A characterization of an ambiguous class of binary quadratic forms of discriminant $D$
We use the definitions of this question.
Let $D$ be a non-square integer such that $D \equiv 0$ (mod $4$) or $D \equiv 1$ (mod $4$).
There exists a bijection
$\psi\colon Cl^+(R) \rightarrow C(D)$ by ...
0
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The inverse class of the class represented by a primitive binary quadratic form of discriminant $D$
We use the definitions of this question.
Is the following proposition true?
If yes, how do we prove it?
Proposition
Let $D$ be a non-square integer such that $D \equiv 0$ (mod $4$) or $D \equiv 1$ ...
