Cremona's table of elliptic curves

Curve 219a1

219 = 3 · 73



Data for elliptic curve 219a1

Field Data Notes
Atkin-Lehner 3+ 73+ Signs for the Atkin-Lehner involutions
Class 219a Isogeny class
Conductor 219 Conductor
∏ cp 1 Product of Tamagawa factors cp
deg 12 Modular degree for the optimal curve
Δ -219 = -1 · 3 · 73 Discriminant
Eigenvalues -2 3+ -1  2 -4 -2 -3 -1 Hecke eigenvalues for primes up to 20
Equation [0,-1,1,-6,8] [a1,a2,a3,a4,a6]
Generators [2:-1:1] Generators of the group modulo torsion
j -28094464/219 j-invariant
L 0.74457129518683 L(r)(E,1)/r!
Ω 5.6338346986015 Real period
R 0.13216065699827 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 3504u1 14016s1 657b1 5475i1 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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