Cremona's table of elliptic curves

Curve 240b5

240 = 24 · 3 · 5



Data for elliptic curve 240b5

Field Data Notes
Atkin-Lehner 2- 3+ 5+ Signs for the Atkin-Lehner involutions
Class 240b Isogeny class
Conductor 240 Conductor
∏ cp 4 Product of Tamagawa factors cp
Δ 21767823360 = 213 · 312 · 5 Discriminant
Eigenvalues 2- 3+ 5+  4  0  2  6  4 Hecke eigenvalues for primes up to 20
Equation [0,-1,0,-1096,12400] [a1,a2,a3,a4,a6]
j 35578826569/5314410 j-invariant
L 1.1583921113141 L(r)(E,1)/r!
Ω 1.1583921113141 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 30a4 960o5 720j4 1200p5 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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