Cremona's table of elliptic curves

Curve 20128b1

20128 = 25 · 17 · 37



Data for elliptic curve 20128b1

Field Data Notes
Atkin-Lehner 2+ 17+ 37+ Signs for the Atkin-Lehner involutions
Class 20128b Isogeny class
Conductor 20128 Conductor
∏ cp 4 Product of Tamagawa factors cp
deg 5888 Modular degree for the optimal curve
Δ 43798528 = 212 · 172 · 37 Discriminant
Eigenvalues 2+ -1  0  5 -3 -4 17+  4 Hecke eigenvalues for primes up to 20
Equation [0,-1,0,-93,-107] [a1,a2,a3,a4,a6]
Generators [19:68:1] Generators of the group modulo torsion
j 21952000/10693 j-invariant
L 4.5142865499411 L(r)(E,1)/r!
Ω 1.613334367898 Real period
R 0.69952742589603 Regulator
r 1 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 20128g1 40256e1 Quadratic twists by: -4 8


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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