Cremona's table of elliptic curves

12784 = 2⁴ · 17 · 47

Field	Data	Notes
Atkin-Lehner	2- 17- 47-	Signs for the Atkin-Lehner involutions
Class	12784f	Isogeny class
Conductor	12784	Conductor
∏ cp	8	Product of Tamagawa factors cp
deg	5632	Modular degree for the optimal curve
Δ	153817088 = 212 · 17 · 472	Discriminant
Eigenvalues	2- -2  4  2  0  2 17- -4	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,-256,-1548]	[a1,a2,a3,a4,a6]
j	454756609/37553	j-invariant
L	2.3988456835176	L(r)(E,1)/r!
Ω	1.1994228417588	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	799a1 51136r1 115056t1	Quadratic twists by: -4 8 -3

Hecke Eigenvalues for elliptic curve 12784f1

a2	a3	a5	a7	a11	a13	a17	a19	a23	a29	a31	a37	a41	a43	a47	a53	a59	a61	a67	a71	a73	a79	a83	a89	a97
-	-2	4	2	0	2	-	-4	4	8	-8	-2	-8	4	-	6	-4	6	4	6	4	-2	0	6	10

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Quadratic twists for elliptic curve 12784f1

-4	8	-3
799a1	51136r1	115056t1

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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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