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curve #6471

y2 + xy = x3 − x2 − 3148584318926266x + 79692167578956665496808
a-invariants
[1, -1, 0, -3148584318926266, 79692167578956665496808]
c-invariants
[151132047308460777, -68854032108124346101168629]
rank (lower bound)
≥ 17
torsion subgroup
trivial
conductor (N)
33903787996443780643530576960241856965080273638
discriminant (Δ)
-745883335921763174157672693125320853231766020036
Faltings height
7.9069
naive height
118.9881
primes of bad reduction
2, 11, 1052417, 1117661, 1425707, 1576112047, 583055935496865673
regulator
7560747297988517.45686189645791250361483723548797643503587117392090421704
submitted by
Michael Rubinstein
submitted at
last updated

Witness: 17 independent points log in to add more points →

Commentary

Mestre ten-root construction, roots 0,1,12,30,35,40,59,72,102,105: with p(x) = prod (x - a_i), write p = q^2 - r with q a monic quintic and deg r <= 4; the genus-one curve y^2 = r(x) carries the ten points (a_i, q(a_i)), and the curve submitted is the minimal Weierstrass model of its Jacobian. Found by enumerating integer ten-root sets 0 = a_1 < ... < a_10 and scoring each by S = sum of -a_p log(p)/p over the good primes 5 <= p <= 199 (with early abort on low partial sums); the sets with S >= 31, or S >= 30 and one bad prime in that range, or S >= 29 and two or more bad primes, were screened by exact conductor and by a GRH explicit-formula upper bound on the rank, and the survivors were certified with ellrank. Rank 17, proved: 17 independent points listed, matching the 2-descent upper bound. Torsion trivial.

last edited by Michael Rubinstein at · history

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