Cremona's table of elliptic curves

Curve 7840s1

7840 = 25 · 5 · 72



Data for elliptic curve 7840s1

Field Data Notes
Atkin-Lehner 2- 5+ 7- Signs for the Atkin-Lehner involutions
Class 7840s Isogeny class
Conductor 7840 Conductor
∏ cp 2 Product of Tamagawa factors cp
deg 672 Modular degree for the optimal curve
Δ -125440 = -1 · 29 · 5 · 72 Discriminant
Eigenvalues 2-  2 5+ 7- -3  1  2 -1 Hecke eigenvalues for primes up to 20
Equation [0,-1,0,-16,36] [a1,a2,a3,a4,a6]
Generators [0:6:1] Generators of the group modulo torsion
j -19208/5 j-invariant
L 5.4217178840888 L(r)(E,1)/r!
Ω 3.1401850105258 Real period
R 0.86328000832998 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 7840f1 15680bw1 70560bm1 39200p1 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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