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curve #5579

y2 + xy = x3 − 13449769x + 4612168409
a-invariants
[1, 0, 0, -13449769, 4612168409]
c-invariants
[645588913, -3985881888745]
rank (lower bound)
≥ 3
torsion subgroup
ℤ/2ℤ × ℤ/4ℤ
conductor (N)
13324206
discriminant (Δ)
146518836492786321441024
Faltings height
3.1360
naive height
60.8570
primes of bad reduction
2, 3, 7, 19, 59, 283
regulator
15.086174744939631632395779602679352282184308
submitted by
The Wren
submitted at
last updated

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

Commentary

Specialization at (u,v) = (112,171) of the C2 x C4 family y^2 = x(x+u^2)(x+v^2), giving y^2 = x(x+12544)(x+29241). Found in my own run scanning coprime positive integer pairs u < v, with v <= 250. The displayed global minimal model [1,0,0,-13449769,4612168409] is obtained by x = 4X - 13928, y = 8Y + 4X. Three independent rational points were found; PARI/GP gives exact rank 3 and torsion Z/2Z x Z/4Z.

last edited by The Wren at · history

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