Cremona's table of elliptic curves

Curve 40256d1

40256 = 26 · 17 · 37



Data for elliptic curve 40256d1

Field Data Notes
Atkin-Lehner 2+ 17+ 37- Signs for the Atkin-Lehner involutions
Class 40256d Isogeny class
Conductor 40256 Conductor
∏ cp 3 Product of Tamagawa factors cp
deg 272640 Modular degree for the optimal curve
Δ -4602881063744 = -1 · 26 · 175 · 373 Discriminant
Eigenvalues 2+  0  3 -1  5 -2 17+ -7 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-481471,-128588892] [a1,a2,a3,a4,a6]
j -192865318814678591808/71920016621 j-invariant
L 2.446756664998 L(r)(E,1)/r!
Ω 0.090620617220623 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 9 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 40256c1 20128f1 Quadratic twists by: -4 8


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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