Cremona's table of elliptic curves

Curve 40401c1

40401 = 32 · 672



Data for elliptic curve 40401c1

Field Data Notes
Atkin-Lehner 3+ 67- Signs for the Atkin-Lehner involutions
Class 40401c Isogeny class
Conductor 40401 Conductor
∏ cp 4 Product of Tamagawa factors cp
deg 376992 Modular degree for the optimal curve
Δ 119292986527572609 = 39 · 677 Discriminant
Eigenvalues  1 3+ -2 -4  4 -2  0  4 Hecke eigenvalues for primes up to 20
Equation [1,-1,0,-128778,-6312025] [a1,a2,a3,a4,a6]
j 132651/67 j-invariant
L 0.26578368583104 L(r)(E,1)/r!
Ω 0.26578368589353 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 40401d1 603b1 Quadratic twists by: -3 -67


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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