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curve #647
y2 + xy = x3 + 4x + 1
- a-invariants
[1, 0, 0, 4, 1]
- rank (lower bound)
- ≥ 1
- torsion subgroup
- ℤ/2ℤ
- conductor (N)
65 ☆ record for ℤ/2ℤ torsion, rank ≥ 1
- discriminant (Δ)
-4225
- Faltings height
- -0.6150
- naive height
- 15.7568
- primes of bad reduction
5, 13
- regulator
0.1877570493306331609022364384122891588311
- submitted by
- David Renshaw
- submitted at
- last updated
Commentary
last edited by David Renshaw at · history
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