Cremona's table of elliptic curves

987 = 3 · 7 · 47

Field	Data	Notes
Atkin-Lehner	3+ 7+ 47-	Signs for the Atkin-Lehner involutions
Class	987c	Isogeny class
Conductor	987	Conductor
∏ cp	1	Product of Tamagawa factors cp
deg	288	Modular degree for the optimal curve
Δ	-435267 = -1 · 33 · 73 · 47	Discriminant
Eigenvalues	2 3+  0 7+  3  6  3  5	Hecke eigenvalues for primes up to 20
Equation	[0,-1,1,-208,1227]	[a1,a2,a3,a4,a6]
j	-1000000000000/435267	j-invariant
L	2.9294495045094	L(r)(E,1)/r!
Ω	2.9294495045094	Real period
R	1	Regulator
r	0	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	1	Number of elements in the torsion subgroup
Twists	15792be1 63168bb1 2961g1 24675s1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 987c1

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	+	3	6	3	5	1	2	9	3	-2	-6	-	2	-3	-10	-2	-6	11	-13	-11	-1	18

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Quadratic twists for elliptic curve 987c1

-4	8	-3	5	-7	-11	-47
15792be1	63168bb1	2961g1	24675s1	6909k1	119427c1	46389e1

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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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