Cremona's table of elliptic curves

Curve 781a1

781 = 11 · 71



Data for elliptic curve 781a1

Field Data Notes
Atkin-Lehner 11+ 71- Signs for the Atkin-Lehner involutions
Class 781a Isogeny class
Conductor 781 Conductor
∏ cp 1 Product of Tamagawa factors cp
deg 612 Modular degree for the optimal curve
Δ 167414286061 = 119 · 71 Discriminant
Eigenvalues  0  0 -1 -3 11+  7  3 -2 Hecke eigenvalues for primes up to 20
Equation [0,0,1,-1378,347] [a1,a2,a3,a4,a6]
j 289381900713984/167414286061 j-invariant
L 0.86273730686811 L(r)(E,1)/r!
Ω 0.86273730686811 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 12496h1 49984j1 7029f1 19525a1 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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