Cremona's table of elliptic curves

Curve 40768a1

40768 = 26 · 72 · 13



Data for elliptic curve 40768a1

Field Data Notes
Atkin-Lehner 2+ 7+ 13+ Signs for the Atkin-Lehner involutions
Class 40768a Isogeny class
Conductor 40768 Conductor
∏ cp 6 Product of Tamagawa factors cp
deg 43008 Modular degree for the optimal curve
Δ 997633401856 = 210 · 78 · 132 Discriminant
Eigenvalues 2+  1 -1 7+ -5 13+  3  5 Hecke eigenvalues for primes up to 20
Equation [0,1,0,-3201,-51577] [a1,a2,a3,a4,a6]
Generators [-166:637:8] Generators of the group modulo torsion
j 614656/169 j-invariant
L 5.4219722919435 L(r)(E,1)/r!
Ω 0.64782944148812 Real period
R 1.3949073487332 Regulator
r 1 Rank of the group of rational points
S 0.99999999999974 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 40768bz1 5096g1 40768bo1 Quadratic twists by: -4 8 -7


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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