Cremona's table of elliptic curves

Curve 200b1

200 = 23 · 52



Data for elliptic curve 200b1

Field Data Notes
Atkin-Lehner 2- 5- Signs for the Atkin-Lehner involutions
Class 200b Isogeny class
Conductor 200 Conductor
∏ cp 4 Product of Tamagawa factors cp
deg 8 Modular degree for the optimal curve
Δ 2000 = 24 · 53 Discriminant
Eigenvalues 2- -2 5- -2 -4 -4  0 -4 Hecke eigenvalues for primes up to 20
Equation [0,1,0,-3,-2] [a1,a2,a3,a4,a6]
Generators [-1:1:1] Generators of the group modulo torsion
j 2048 j-invariant
L 1.088433130107 L(r)(E,1)/r!
Ω 3.7121152731513 Real period
R 0.29321102660236 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 400d1 1600l1 1800k1 200d1 Quadratic twists by: -4 8 -3 5


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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