Cremona's table of elliptic curves

Curve 1230a1

1230 = 2 · 3 · 5 · 41



Data for elliptic curve 1230a1

Field Data Notes
Atkin-Lehner 2+ 3+ 5- 41- Signs for the Atkin-Lehner involutions
Class 1230a Isogeny class
Conductor 1230 Conductor
∏ cp 24 Product of Tamagawa factors cp
deg 384 Modular degree for the optimal curve
Δ 207562500 = 22 · 34 · 56 · 41 Discriminant
Eigenvalues 2+ 3+ 5- -2  2 -2 -4  2 Hecke eigenvalues for primes up to 20
Equation [1,1,0,-152,-276] [a1,a2,a3,a4,a6]
Generators [-7:26:1] Generators of the group modulo torsion
j 392383937161/207562500 j-invariant
L 1.7550817838814 L(r)(E,1)/r!
Ω 1.4419983712321 Real period
R 0.2028529549565 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 9840ba1 39360bc1 3690p1 6150bd1 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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