Cremona's table of elliptic curves

5681 = 13 · 19 · 23

Field	Data	Notes
Atkin-Lehner	13+ 19+ 23-	Signs for the Atkin-Lehner involutions
Class	5681b	Isogeny class
Conductor	5681	Conductor
∏ cp	4	Product of Tamagawa factors cp
deg	4672	Modular degree for the optimal curve
Δ	-287066611 = -1 · 134 · 19 · 232	Discriminant
Eigenvalues	2 -2  1 -3 -3 13+ -1 19+	Hecke eigenvalues for primes up to 20
Equation	[0,1,1,-1730,-28293]	[a1,a2,a3,a4,a6]
j	-572945133039616/287066611	j-invariant
L	1.4804169711111	L(r)(E,1)/r!
Ω	0.37010424277778	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	90896m1 51129f1 73853g1 107939k1	Quadratic twists by: -4 -3 13 -19

Hecke Eigenvalues for elliptic curve 5681b1

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	1	-3	-3	+	-1	+	-	0	0	4	8	1	9	12	0	-15	8	16	-11	2	4	14	-14

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Quadratic twists for elliptic curve 5681b1

-4	-3	13	-19
90896m1	51129f1	73853g1	107939k1

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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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