Cremona's table of elliptic curves

Curve 2856d1

2856 = 23 · 3 · 7 · 17



Data for elliptic curve 2856d1

Field Data Notes
Atkin-Lehner 2+ 3- 7- 17- Signs for the Atkin-Lehner involutions
Class 2856d Isogeny class
Conductor 2856 Conductor
∏ cp 8 Product of Tamagawa factors cp
deg 640 Modular degree for the optimal curve
Δ -9870336 = -1 · 210 · 34 · 7 · 17 Discriminant
Eigenvalues 2+ 3- -2 7-  6 -4 17-  6 Hecke eigenvalues for primes up to 20
Equation [0,1,0,16,-144] [a1,a2,a3,a4,a6]
j 415292/9639 j-invariant
L 2.2245878297377 L(r)(E,1)/r!
Ω 1.1122939148688 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 5712c1 22848s1 8568l1 71400ch1 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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