Cremona's table of elliptic curves

Curve 20832r2

20832 = 25 · 3 · 7 · 31



Data for elliptic curve 20832r2

Field Data Notes
Atkin-Lehner 2+ 3- 7- 31+ Signs for the Atkin-Lehner involutions
Class 20832r Isogeny class
Conductor 20832 Conductor
∏ cp 12 Product of Tamagawa factors cp
Δ -173661218304 = -1 · 29 · 3 · 76 · 312 Discriminant
Eigenvalues 2+ 3-  2 7- -4  2 -2  2 Hecke eigenvalues for primes up to 20
Equation [0,1,0,-3512,81420] [a1,a2,a3,a4,a6]
Generators [330:735:8] Generators of the group modulo torsion
j -9359247393224/339182067 j-invariant
L 7.3058606433162 L(r)(E,1)/r!
Ω 1.0097020587693 Real period
R 2.4118866154178 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 20832e2 41664cw2 62496bt2 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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