Cremona's table of elliptic curves

Curve 1975a1

1975 = 52 · 79



Data for elliptic curve 1975a1

Field Data Notes
Atkin-Lehner 5+ 79+ Signs for the Atkin-Lehner involutions
Class 1975a Isogeny class
Conductor 1975 Conductor
∏ cp 4 Product of Tamagawa factors cp
deg 864 Modular degree for the optimal curve
Δ -771484375 = -1 · 510 · 79 Discriminant
Eigenvalues  1  0 5+  4  4 -6 -6 -4 Hecke eigenvalues for primes up to 20
Equation [1,-1,0,-167,1616] [a1,a2,a3,a4,a6]
Generators [64:468:1] Generators of the group modulo torsion
j -33076161/49375 j-invariant
L 3.7657887801095 L(r)(E,1)/r!
Ω 1.4341660737888 Real period
R 2.625768973994 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 31600l1 126400b1 17775w1 395a1 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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