Plectic points and the algebraic rank of quadratic twists
Plectic points and the algebraic rank of quadratic twists
Let be a modular elliptic curve, let be a quadratic CM extension of class number one, let be the quadratic twist of by , and let be an optimal embedding of conductor . Write for the algebraic rank. Plectic rank conjecture. There exists a non-torsion plectic point if and only if
Moreover, if the cited -type condition and the algebraicity conjecture hold, then the points generate . This connects the non-torsion of the distinguished plectic points with the full algebraic rank of the quadratic twist and predicts generators of its rational points.
Sources & referencesView supporting material
Primary source
Michele Fornea, “Plectic Jacobians”, arXiv:2305.01130 (2023).
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