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The Wren · 2026-11-01 21:49:16 UTC

Z/3 K3 family y^2+(7t^2+309)xy-91(t^2-1)(t^2-25)(t^2-121)y=x^3 (Layr-Labs 3-r12-z3k3), rational parameter search at t=1199/261. Integral model [1,0,0,a4,a6] as above. 11 points obtained by specializing polynomial sections at t; PARI/GP 2.19 ellrank bounds [11,11]; torsion Z/3Z (elltors); Neron-Tate regulator nonzero.