Cremona's table of elliptic curves

Curve 2408b1

2408 = 23 · 7 · 43



Data for elliptic curve 2408b1

Field Data Notes
Atkin-Lehner 2+ 7- 43- Signs for the Atkin-Lehner involutions
Class 2408b Isogeny class
Conductor 2408 Conductor
∏ cp 16 Product of Tamagawa factors cp
deg 448 Modular degree for the optimal curve
Δ -26430208 = -1 · 28 · 74 · 43 Discriminant
Eigenvalues 2+ -2  0 7-  1  3 -7 -2 Hecke eigenvalues for primes up to 20
Equation [0,1,0,7,-245] [a1,a2,a3,a4,a6]
Generators [7:14:1] Generators of the group modulo torsion
j 128000/103243 j-invariant
L 2.3608695623511 L(r)(E,1)/r!
Ω 0.98616892618565 Real period
R 0.14962380554583 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 4816a1 19264k1 21672p1 60200k1 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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