2-isogenous image of D-z2old141516171819-041, rational kernel x=-5183611506357375057/4. Source: https://dujella.github.io/tors/z2old141516171819.html. Independent witness points transported by the degree-2 isogeny. Witnesses saturated by exact rational halves of published and transported relations; quadratic-character independence is certified.
Natanael Wildner Fraga ·