Cremona's table of elliptic curves

784 = 2⁴ · 7²

Field	Data	Notes
Atkin-Lehner	2+ 7-	Signs for the Atkin-Lehner involutions
Class	784c	Isogeny class
Conductor	784	Conductor
∏ cp	16	Product of Tamagawa factors cp
Δ	1686616064 = 211 · 77	Discriminant
Eigenvalues	2+  0 -2 7-  4 -2  6  8	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,-14651,682570]	[a1,a2,a3,a4,a6]
j	1443468546/7	j-invariant
L	1.3221927707732	L(r)(E,1)/r!
Ω	1.3221927707732	Real period
R	1	Regulator
r	0	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	4	Number of elements in the torsion subgroup
Twists	392a3 3136s4 7056x3 19600h4	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 784c4

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
+	0	-2	-	4	-2	6	8	0	6	8	-2	-2	4	-8	6	0	6	4	8	-10	-16	8	6	6

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Quadratic twists for elliptic curve 784c4

-4	8	-3	5	-7	-11
392a3	3136s4	7056x3	19600h4	112b3	94864n4

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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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