Cremona's table of elliptic curves

Curve 12920b1

12920 = 23 · 5 · 17 · 19



Data for elliptic curve 12920b1

Field Data Notes
Atkin-Lehner 2+ 5+ 17- 19- Signs for the Atkin-Lehner involutions
Class 12920b Isogeny class
Conductor 12920 Conductor
∏ cp 8 Product of Tamagawa factors cp
deg 2688 Modular degree for the optimal curve
Δ -2067200 = -1 · 28 · 52 · 17 · 19 Discriminant
Eigenvalues 2+ -1 5+  2 -2 -6 17- 19- Hecke eigenvalues for primes up to 20
Equation [0,-1,0,-361,2765] [a1,a2,a3,a4,a6]
Generators [13:-10:1] Generators of the group modulo torsion
j -20380171264/8075 j-invariant
L 3.2236839731116 L(r)(E,1)/r!
Ω 2.5690752669318 Real period
R 0.15685040521222 Regulator
r 1 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 25840c1 103360bf1 116280bw1 64600t1 Quadratic twists by: -4 8 -3 5


Data from Elliptic Curve Data by J. E. Cremona.
Design inspired by The Modular Forms Explorer by William Stein.

Part of Computational Number Theory
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