Cremona's table of elliptic curves

Curve 31680bb2

31680 = 26 · 32 · 5 · 11



Data for elliptic curve 31680bb2

Field Data Notes
Atkin-Lehner 2+ 3- 5+ 11- Signs for the Atkin-Lehner involutions
Class 31680bb Isogeny class
Conductor 31680 Conductor
∏ cp 4 Product of Tamagawa factors cp
Δ -551061483945984000 = -1 · 239 · 36 · 53 · 11 Discriminant
Eigenvalues 2+ 3- 5+  5 11- -2 -3  7 Hecke eigenvalues for primes up to 20
Equation [0,0,0,170772,-23190352] [a1,a2,a3,a4,a6]
Generators [494552198:32214056960:117649] Generators of the group modulo torsion
j 2882081488391/2883584000 j-invariant
L 6.6401648153851 L(r)(E,1)/r!
Ω 0.1587505435017 Real period
R 10.456916664531 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 31680cq2 990l2 3520j2 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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