Cremona's table of elliptic curves

1690 = 2 · 5 · 13²

Field	Data	Notes
Atkin-Lehner	2+ 5+ 13-	Signs for the Atkin-Lehner involutions
Class	1690d	Isogeny class
Conductor	1690	Conductor
∏ cp	4	Product of Tamagawa factors cp
deg	432	Modular degree for the optimal curve
Δ	17576000 = 26 · 53 · 133	Discriminant
Eigenvalues	2+  2 5+  0  0 13-  6  0	Hecke eigenvalues for primes up to 20
Equation	[1,1,0,-68,-112]	[a1,a2,a3,a4,a6]
j	16194277/8000	j-invariant
L	1.7455127945305	L(r)(E,1)/r!
Ω	1.7455127945305	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	13520v1 54080bw1 15210bu1 8450w1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 1690d1

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	+	0	0	-	6	0	0	6	6	-6	0	10	12	0	12	10	-12	-6	6	-8	12	12	18

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Quadratic twists for elliptic curve 1690d1

-4	8	-3	5	-7	13
13520v1	54080bw1	15210bu1	8450w1	82810bo1	1690i1

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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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