Cremona's table of elliptic curves

Curve 31920a1

31920 = 24 · 3 · 5 · 7 · 19



Data for elliptic curve 31920a1

Field Data Notes
Atkin-Lehner 2+ 3+ 5+ 7+ 19+ Signs for the Atkin-Lehner involutions
Class 31920a Isogeny class
Conductor 31920 Conductor
∏ cp 8 Product of Tamagawa factors cp
deg 28672 Modular degree for the optimal curve
Δ -24521199360 = -1 · 28 · 3 · 5 · 72 · 194 Discriminant
Eigenvalues 2+ 3+ 5+ 7+ -4  6  6 19+ Hecke eigenvalues for primes up to 20
Equation [0,-1,0,-236,-7584] [a1,a2,a3,a4,a6]
Generators [49:310:1] Generators of the group modulo torsion
j -5702413264/95785935 j-invariant
L 4.2501233588827 L(r)(E,1)/r!
Ω 0.51390405670267 Real period
R 4.1351331084564 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 15960g1 127680gd1 95760bh1 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
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