Cremona's table of elliptic curves

Curve 14a1

14 = 2 · 7



Data for elliptic curve 14a1

Field Data Notes
Atkin-Lehner 2+ 7- Signs for the Atkin-Lehner involutions
Class 14a Isogeny class
Conductor 14 Conductor
∏ cp 6 Product of Tamagawa factors cp
deg 1 Modular degree for the optimal curve
Δ -21952 = -1 · 26 · 73 Discriminant
Eigenvalues 2+ -2  0 7-  0 -4  6  2 Hecke eigenvalues for primes up to 20
Equation [1,0,1,4,-6] [a1,a2,a3,a4,a6]
j 9938375/21952 j-invariant
L 0.33022365934448 L(r)(E,1)/r!
Ω 1.9813419560669 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 6 Number of elements in the torsion subgroup
Twists 112c3 448c3 126a3 350d3 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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