Cremona's table of elliptic curves

Curve 90387b2

90387 = 32 · 112 · 83



Data for elliptic curve 90387b2

Field Data Notes
Atkin-Lehner 3+ 11- 83+ Signs for the Atkin-Lehner involutions
Class 90387b Isogeny class
Conductor 90387 Conductor
∏ cp 16 Product of Tamagawa factors cp
Δ 329515660683 = 33 · 116 · 832 Discriminant
Eigenvalues -1 3+  2  0 11- -6 -4 -2 Hecke eigenvalues for primes up to 20
Equation [1,-1,1,-2564,42276] [a1,a2,a3,a4,a6]
Generators [-52:207:1] [-30:317:1] Generators of the group modulo torsion
j 38958219/6889 j-invariant
L 8.0338064023366 L(r)(E,1)/r!
Ω 0.91766671247747 Real period
R 2.1886503818249 Regulator
r 2 Rank of the group of rational points
S 0.99999999996632 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 90387d2 747b2 Quadratic twists by: -3 -11


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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