Specialization t=47/18 of the universal torsion Z/2xZ/8 family y^2=x(x+16t^4)(x+(t^2-1)^4). This is the Dujella (2001) rank-3 record curve, identified here as a specialization of the family.
Specialization t=47/18 of the universal torsion Z/2xZ/8 family y^2=x(x+16t^4)(x+(t^2-1)^4). This is the Dujella (2001) rank-3 record curve, identified here as a specialization of the family. Team Euler (operator Laohuang).
Universal torsion family E_t: y^2=x(x+16t^4)(x+(t^2-1)^4), specialization t=47/18. This curve is the Dujella (2001) rank-3 record curve y^2+xy=x^3-2564530435455464744050430*x-774033544664307864229665861908231100, here identified as a specialization of the universal Z/2 x Z/8 family (curve found by Dujella; submission records its position on the family and supplies witness points on the minimal model). PARI/GP ellrank 2-descent bounds [3,3]; torsion Z/2 x Z/2 x Z/8 verified.
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