Cremona's table of elliptic curves

Curve 448a1

448 = 26 · 7



Data for elliptic curve 448a1

Field Data Notes
Atkin-Lehner 2+ 7+ Signs for the Atkin-Lehner involutions
Class 448a Isogeny class
Conductor 448 Conductor
∏ cp 4 Product of Tamagawa factors cp
deg 32 Modular degree for the optimal curve
Δ -114688 = -1 · 214 · 7 Discriminant
Eigenvalues 2+  0 -2 7+  4 -2 -6 -8 Hecke eigenvalues for primes up to 20
Equation [0,0,0,4,16] [a1,a2,a3,a4,a6]
Generators [0:4:1] Generators of the group modulo torsion
j 432/7 j-invariant
L 1.7234498941954 L(r)(E,1)/r!
Ω 2.4735961737513 Real period
R 0.69673858347771 Regulator
r 1 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 448b1 56a1 4032g1 11200n1 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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