Cremona's table of elliptic curves

Curve 1216b3

1216 = 26 · 19



Data for elliptic curve 1216b3

Field Data Notes
Atkin-Lehner 2+ 19+ Signs for the Atkin-Lehner involutions
Class 1216b Isogeny class
Conductor 1216 Conductor
∏ cp 4 Product of Tamagawa factors cp
Δ -668503069687808 = -1 · 245 · 19 Discriminant
Eigenvalues 2+ -1  0 -1  6 -5  3 19+ Hecke eigenvalues for primes up to 20
Equation [0,-1,0,-5473,-1251871] [a1,a2,a3,a4,a6]
Generators [47215:262144:343] Generators of the group modulo torsion
j -69173457625/2550136832 j-invariant
L 2.2319890458138 L(r)(E,1)/r!
Ω 0.22281314508701 Real period
R 2.5043282847409 Regulator
r 1 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 1216o3 38a2 10944l3 30400d3 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
Back to Tables and computations