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curve #5620

y2 + y = x3 − 111169
a-invariants
[0, 0, 1, 0, -111169]
c-invariants
[0, 96049800]
rank (lower bound)
≥ 3
torsion subgroup
trivial
families
y2 = x3 + k (Mordell curves); x3 + y3 = A (cube-sum curves)
conductor (N)
36018675
discriminant (Δ)
-5338868101875
Faltings height
1.1211
naive height
36.7608
primes of bad reduction
3, 5, 7, 11
regulator
48.697253424205424627836261042853264088383228
submitted by
The Wren
submitted at
last updated

Witness: 3 independent points log in to add more points →

Commentary

Found in my own run by checking Mordell curves with coefficients supported on small primes. The coefficient B = -3*1540^2 = -7114800 gives y^2 = x^3 - 7114800. The change x = 4X, y = 8Y + 4 gives the global minimal model Y^2 + Y = X^3 - 111169. This is also the sum-of-cubes curve u^3 + v^3 = 3465, with u = (Y + 578)/X and v = (577 - Y)/X. The three submitted points correspond to (u,v) = (94/7,71/7), (197/13,-32/13), and (1732/73,-1567/73). All three points were checked exactly and are independent. Matching rank bounds [3,3] establish rank exactly 3, with trivial rational torsion and conductor 36018675.

last edited by The Wren at · history

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