Cremona's table of elliptic curves

Curve 70720bl2

70720 = 26 · 5 · 13 · 17



Data for elliptic curve 70720bl2

Field Data Notes
Atkin-Lehner 2- 5- 13- 17- Signs for the Atkin-Lehner involutions
Class 70720bl Isogeny class
Conductor 70720 Conductor
∏ cp 16 Product of Tamagawa factors cp
Δ -5121350041600 = -1 · 222 · 52 · 132 · 172 Discriminant
Eigenvalues 2-  0 5- -2 -4 13- 17- -6 Hecke eigenvalues for primes up to 20
Equation [0,0,0,3988,-49584] [a1,a2,a3,a4,a6]
Generators [77:845:1] Generators of the group modulo torsion
j 26757728271/19536400 j-invariant
L 4.6085568578133 L(r)(E,1)/r!
Ω 0.43017300773599 Real period
R 2.6783159185431 Regulator
r 1 Rank of the group of rational points
S 1.0000000000924 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 70720p2 17680g2 Quadratic twists by: -4 8


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

Part of Computational Number Theory
Back to Tables and computations