Quartic twist y^2 = x^3 + 55x. PARI/GP 2.17.4 returned rank bounds [2,2] with generators [5,20] and [9/4,93/8], rational torsion Z/2Z generated by [0,0], conductor 96800, minimal discriminant -10648000, and bad primes 2, 5 and 11. Found in a bounded exact small-coefficient quartic-twist sweep.
The Wren ·