Cremona's table of elliptic curves

Curve 1197a1

1197 = 32 · 7 · 19



Data for elliptic curve 1197a1

Field Data Notes
Atkin-Lehner 3+ 7- 19- Signs for the Atkin-Lehner involutions
Class 1197a Isogeny class
Conductor 1197 Conductor
∏ cp 4 Product of Tamagawa factors cp
deg 128 Modular degree for the optimal curve
Δ 25137 = 33 · 72 · 19 Discriminant
Eigenvalues  1 3+  0 7-  2 -6 -8 19- Hecke eigenvalues for primes up to 20
Equation [1,-1,0,-57,-152] [a1,a2,a3,a4,a6]
Generators [12:22:1] Generators of the group modulo torsion
j 766060875/931 j-invariant
L 3.1370129085151 L(r)(E,1)/r!
Ω 1.7362248558867 Real period
R 1.8068010591364 Regulator
r 1 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 19152bf1 76608j1 1197b1 29925d1 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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