Cremona's table of elliptic curves

Curve 31680bb1

31680 = 26 · 32 · 5 · 11



Data for elliptic curve 31680bb1

Field Data Notes
Atkin-Lehner 2+ 3- 5+ 11- Signs for the Atkin-Lehner involutions
Class 31680bb Isogeny class
Conductor 31680 Conductor
∏ cp 12 Product of Tamagawa factors cp
deg 161280 Modular degree for the optimal curve
Δ -162789159075840 = -1 · 225 · 36 · 5 · 113 Discriminant
Eigenvalues 2+ 3- 5+  5 11- -2 -3  7 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-50988,-4473808] [a1,a2,a3,a4,a6]
Generators [4214:273152:1] Generators of the group modulo torsion
j -76711450249/851840 j-invariant
L 6.6401648153851 L(r)(E,1)/r!
Ω 0.1587505435017 Real period
R 3.4856388881771 Regulator
r 1 Rank of the group of rational points
S 0.99999999999998 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 31680cq1 990l1 3520j1 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