Rational 2-isogeny partner of curve #5253: https://elliptic-rank.icarm.cloud/curve/5253. The source curve comes from the Aguirre–Castañeda–Peral parametrization at tuple (6,10,11,15), 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 ·