Found in a rational-parameter search of the Kubert–Tate family for torsion ℤ/10ℤ: y^2 + (1-c)xy - by = x^3 - bx^2 with d=t^2/(t-(t-1)^2), c=td-t, b=cd, at t = 1/17; converted to the global minimal model. The 2 witness points were found with PARI/GP ellrank. Conductor 38882910, torsion ℤ/10ℤ.
Commentary
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