Cremona's table of elliptic curves

1680 = 2⁴ · 3 · 5 · 7

Field	Data	Notes
Atkin-Lehner	2+ 3- 5- 7+	Signs for the Atkin-Lehner involutions
Class	1680h	Isogeny class
Conductor	1680	Conductor
∏ cp	32	Product of Tamagawa factors cp
Δ	1244678400 = 28 · 34 · 52 · 74	Discriminant
Eigenvalues	2+ 3- 5- 7+ -4 -2 -6 -4	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,-740,-7812]	[a1,a2,a3,a4,a6]
Generators	[-17:12:1]	Generators of the group modulo torsion
j	175293437776/4862025	j-invariant
L	3.3091374215921	L(r)(E,1)/r!
Ω	0.91680824905271	Real period
R	1.8047053050685	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	4	Number of elements in the torsion subgroup
Twists	840g2 6720bh2 5040i2 8400j2	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 1680h2

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
+	-	-	+	-4	-2	-6	-4	-8	-2	0	-2	10	-4	0	14	-12	-2	4	0	2	8	4	-6	-6

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Quadratic twists for elliptic curve 1680h2

-4	8	-3	5	-7
840g2	6720bh2	5040i2	8400j2	11760f2

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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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