Cremona's table of elliptic curves

1608 = 2³ · 3 · 67

Field	Data	Notes
Atkin-Lehner	2+ 3- 67+	Signs for the Atkin-Lehner involutions
Class	1608b	Isogeny class
Conductor	1608	Conductor
∏ cp	4	Product of Tamagawa factors cp
Δ	-82741248 = -1 · 211 · 32 · 672	Discriminant
Eigenvalues	2+ 3- -2 -2 -4  4  6 -4	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,-24,432]	[a1,a2,a3,a4,a6]
j	-778034/40401	j-invariant
L	1.5924359713637	L(r)(E,1)/r!
Ω	1.5924359713637	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	3216a2 12864f2 4824c2 40200v2	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 1608b2

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	-2	-4	4	6	-4	6	8	6	-10	10	4	6	6	4	4	+	-10	10	10	-8	10	-2

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Quadratic twists for elliptic curve 1608b2

-4	8	-3	5	-7	-67
3216a2	12864f2	4824c2	40200v2	78792d2	107736c2

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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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