Cremona's table of elliptic curves

Curve 68880bi2

68880 = 24 · 3 · 5 · 7 · 41



Data for elliptic curve 68880bi2

Field Data Notes
Atkin-Lehner 2- 3+ 5+ 7- 41+ Signs for the Atkin-Lehner involutions
Class 68880bi Isogeny class
Conductor 68880 Conductor
∏ cp 4 Product of Tamagawa factors cp
Δ -225926400 = -1 · 28 · 3 · 52 · 7 · 412 Discriminant
Eigenvalues 2- 3+ 5+ 7-  0  2  6  4 Hecke eigenvalues for primes up to 20
Equation [0,-1,0,44,700] [a1,a2,a3,a4,a6]
Generators [42:259:8] Generators of the group modulo torsion
j 35969456/882525 j-invariant
L 5.4845257143997 L(r)(E,1)/r!
Ω 1.3261618273497 Real period
R 4.1356383522202 Regulator
r 1 Rank of the group of rational points
S 0.99999999999308 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 17220h2 Quadratic twists by: -4


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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