Cremona's table of elliptic curves

Curve 31977a1

31977 = 32 · 11 · 17 · 19



Data for elliptic curve 31977a1

Field Data Notes
Atkin-Lehner 3+ 11+ 17+ 19+ Signs for the Atkin-Lehner involutions
Class 31977a Isogeny class
Conductor 31977 Conductor
∏ cp 8 Product of Tamagawa factors cp
deg 200448 Modular degree for the optimal curve
Δ 8154479104497 = 39 · 11 · 172 · 194 Discriminant
Eigenvalues  1 3+ -2 -2 11+ -2 17+ 19+ Hecke eigenvalues for primes up to 20
Equation [1,-1,0,-806208,-278422669] [a1,a2,a3,a4,a6]
Generators [211316638:65428062253:2197] Generators of the group modulo torsion
j 2944245586351592979/414290459 j-invariant
L 3.8292297985151 L(r)(E,1)/r!
Ω 0.15932640511667 Real period
R 12.016934028326 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 31977e1 Quadratic twists by: -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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