Cremona's table of elliptic curves

Curve 320d2

320 = 26 · 5



Data for elliptic curve 320d2

Field Data Notes
Atkin-Lehner 2+ 5- Signs for the Atkin-Lehner involutions
Class 320d Isogeny class
Conductor 320 Conductor
∏ cp 2 Product of Tamagawa factors cp
Δ 20480 = 212 · 5 Discriminant
Eigenvalues 2+  2 5- -2  4  6  2 -8 Hecke eigenvalues for primes up to 20
Equation [0,-1,0,-25,57] [a1,a2,a3,a4,a6]
j 438976/5 j-invariant
L 1.9274690476138 L(r)(E,1)/r!
Ω 3.8549380952275 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 320e2 160a1 2880k2 1600f2 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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