Cremona's table of elliptic curves

Curve 13870b1

13870 = 2 · 5 · 19 · 73



Data for elliptic curve 13870b1

Field Data Notes
Atkin-Lehner 2+ 5+ 19- 73- Signs for the Atkin-Lehner involutions
Class 13870b Isogeny class
Conductor 13870 Conductor
∏ cp 1 Product of Tamagawa factors cp
deg 1056 Modular degree for the optimal curve
Δ -55480 = -1 · 23 · 5 · 19 · 73 Discriminant
Eigenvalues 2+  2 5+  1 -3 -2  1 19- Hecke eigenvalues for primes up to 20
Equation [1,1,0,2,12] [a1,a2,a3,a4,a6]
Generators [3:6:1] Generators of the group modulo torsion
j 357911/55480 j-invariant
L 4.5530212236899 L(r)(E,1)/r!
Ω 2.7224758295273 Real period
R 1.6723826064161 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 110960k1 124830cw1 69350i1 Quadratic twists by: -4 -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
Back to Tables and computations