Cremona's table of elliptic curves

Curve 31160a1

31160 = 23 · 5 · 19 · 41



Data for elliptic curve 31160a1

Field Data Notes
Atkin-Lehner 2+ 5+ 19+ 41+ Signs for the Atkin-Lehner involutions
Class 31160a Isogeny class
Conductor 31160 Conductor
∏ cp 8 Product of Tamagawa factors cp
deg 7936 Modular degree for the optimal curve
Δ -4985600 = -1 · 28 · 52 · 19 · 41 Discriminant
Eigenvalues 2+  1 5+  4 -6  5  0 19+ Hecke eigenvalues for primes up to 20
Equation [0,1,0,-81,275] [a1,a2,a3,a4,a6]
Generators [7:10:1] Generators of the group modulo torsion
j -232428544/19475 j-invariant
L 6.7601368538829 L(r)(E,1)/r!
Ω 2.3787335265518 Real period
R 0.35523823803849 Regulator
r 1 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 62320a1 Quadratic twists by: -4


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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