Cremona's table of elliptic curves

Curve 31850a1

31850 = 2 · 52 · 72 · 13



Data for elliptic curve 31850a1

Field Data Notes
Atkin-Lehner 2+ 5+ 7+ 13+ Signs for the Atkin-Lehner involutions
Class 31850a Isogeny class
Conductor 31850 Conductor
∏ cp 6 Product of Tamagawa factors cp
deg 211680 Modular degree for the optimal curve
Δ 19028347050781250 = 2 · 510 · 78 · 132 Discriminant
Eigenvalues 2+  0 5+ 7+  6 13+ -1  0 Hecke eigenvalues for primes up to 20
Equation [1,-1,0,-66992,720166] [a1,a2,a3,a4,a6]
Generators [-257:1084:1] Generators of the group modulo torsion
j 590625/338 j-invariant
L 4.0636461991982 L(r)(E,1)/r!
Ω 0.330764158113 Real period
R 2.0476050682058 Regulator
r 1 Rank of the group of rational points
S 1.0000000000001 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 31850cg1 31850s1 Quadratic twists by: 5 -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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