Rational 2-isogeny partner of curve #5274: https://elliptic-rank.icarm.cloud/curve/5274. Both arise from the Aguirre–Castañeda–Peral parametrization at tuple (4,6,12,13), reduced by rational fourth-power scaling. Reference: “High rank elliptic curves with torsion group Z/(2Z),” Math. Comp. 73 (2004), 323–331, doi:10.1090/S0025-5718-03-01547-3.
The Wren ·