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	1680s	Isogeny class
Conductor	1680	Conductor
∏ cp	20	Product of Tamagawa factors cp
Δ	-3703553280 = -1 · 28 · 310 · 5 · 72	Discriminant
Eigenvalues	2- 3- 5- 7+  2  4  2 -2	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,-540,-5832]	[a1,a2,a3,a4,a6]
j	-68150496976/14467005	j-invariant
L	2.4477344618135	L(r)(E,1)/r!
Ω	0.48954689236269	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	420b2 6720bf2 5040be2 8400bn2	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 1680s2

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

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Quadratic twists for elliptic curve 1680s2

-4	8	-3	5	-7
420b2	6720bf2	5040be2	8400bn2	11760bn2

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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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