Cremona's table of elliptic curves

Curve 1975d1

1975 = 52 · 79



Data for elliptic curve 1975d1

Field Data Notes
Atkin-Lehner 5+ 79+ Signs for the Atkin-Lehner involutions
Class 1975d Isogeny class
Conductor 1975 Conductor
∏ cp 4 Product of Tamagawa factors cp
deg 1632 Modular degree for the optimal curve
Δ -3857421875 = -1 · 511 · 79 Discriminant
Eigenvalues  2  1 5+ -3 -3 -4  2  0 Hecke eigenvalues for primes up to 20
Equation [0,1,1,-1258,17019] [a1,a2,a3,a4,a6]
Generators [234:621:8] Generators of the group modulo torsion
j -14102327296/246875 j-invariant
L 5.6488246414037 L(r)(E,1)/r!
Ω 1.3975323399784 Real period
R 1.0104998073767 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 31600q1 126400j1 17775y1 395c1 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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