The rationally 3-isogenous partner of the Burkhardt-quartic Mordell curve constructed using parameters (u,v,w)=(9/6,-9/6,-1/6) and specialization t=-1133/838.
PARI/GP 2.17.4 returned matching computational rank bounds [11,11] for this model and its original 3-isogenous curve.
jesper-petersen ·