Rational 3-isogeny partner of https://elliptic-rank.icarm.cloud/curve/5363, submitted by Daniel Błażewicz. Starting from the Mordell curve y^2 = x^3 + 66567068, apply the standard rational 3-isogeny to y^2 = x^3 - 27*66567068 = x^3 - 1797310836. The seven displayed points were recovered and checked on this endpoint; PARI/GP returned rank bounds [7,7] and a nonzero Neron-Tate height determinant. Same conductor 39880570879049616 as the source curve. No original-discovery claim.
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