Cremona's table of elliptic curves

Curve 31311g2

31311 = 32 · 72 · 71



Data for elliptic curve 31311g2

Field Data Notes
Atkin-Lehner 3- 7- 71- Signs for the Atkin-Lehner involutions
Class 31311g Isogeny class
Conductor 31311 Conductor
∏ cp 8 Product of Tamagawa factors cp
Δ -1260486927 = -1 · 36 · 73 · 712 Discriminant
Eigenvalues  1 3-  0 7-  0 -2  6  2 Hecke eigenvalues for primes up to 20
Equation [1,-1,0,243,832] [a1,a2,a3,a4,a6]
j 6331625/5041 j-invariant
L 1.9725278675944 L(r)(E,1)/r!
Ω 0.98626393379784 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 3479b2 31311f2 Quadratic twists by: -3 -7


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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