Cremona's table of elliptic curves

Curve 1218b1

1218 = 2 · 3 · 7 · 29



Data for elliptic curve 1218b1

Field Data Notes
Atkin-Lehner 2+ 3+ 7- 29+ Signs for the Atkin-Lehner involutions
Class 1218b Isogeny class
Conductor 1218 Conductor
∏ cp 1 Product of Tamagawa factors cp
deg 120 Modular degree for the optimal curve
Δ -175392 = -1 · 25 · 33 · 7 · 29 Discriminant
Eigenvalues 2+ 3+  2 7-  1  1  2 -1 Hecke eigenvalues for primes up to 20
Equation [1,1,0,-9,-27] [a1,a2,a3,a4,a6]
j -95443993/175392 j-invariant
L 1.2809036746783 L(r)(E,1)/r!
Ω 1.2809036746783 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 9744o1 38976y1 3654v1 30450co1 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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