Cremona's table of elliptic curves

Curve 31920g4

31920 = 24 · 3 · 5 · 7 · 19



Data for elliptic curve 31920g4

Field Data Notes
Atkin-Lehner 2+ 3+ 5+ 7- 19- Signs for the Atkin-Lehner involutions
Class 31920g Isogeny class
Conductor 31920 Conductor
∏ cp 4 Product of Tamagawa factors cp
Δ 1436400000000 = 210 · 33 · 58 · 7 · 19 Discriminant
Eigenvalues 2+ 3+ 5+ 7-  4 -2  6 19- Hecke eigenvalues for primes up to 20
Equation [0,-1,0,-76816,8220016] [a1,a2,a3,a4,a6]
Generators [2170:21567:8] Generators of the group modulo torsion
j 48953581980835396/1402734375 j-invariant
L 5.2307998949 L(r)(E,1)/r!
Ω 0.79269351986799 Real period
R 6.5987670692339 Regulator
r 1 Rank of the group of rational points
S 0.99999999999999 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 15960n3 127680gl4 95760bp4 Quadratic twists by: -4 8 -3


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