Cremona's table of elliptic curves

10640 = 2⁴ · 5 · 7 · 19

Field	Data	Notes
Atkin-Lehner	2- 5- 7+ 19+	Signs for the Atkin-Lehner involutions
Class	10640u	Isogeny class
Conductor	10640	Conductor
∏ cp	2	Product of Tamagawa factors cp
Δ	20655023594240 = 28 · 5 · 73 · 196	Discriminant
Eigenvalues	2-  2 5- 7+  0  2 -6 19+	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,-6860,6860]	[a1,a2,a3,a4,a6]
Generators	[29876139877854:-211760137069091:266841219672]	Generators of the group modulo torsion
j	139482396527056/80683685915	j-invariant
L	6.5078887590047	L(r)(E,1)/r!
Ω	0.57782389530169	Real period
R	22.525509283782	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	2660h4 42560cf4 95760da4 53200cj4	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 10640u4

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	2	-6	+	0	-6	4	-4	0	4	-12	12	0	-10	4	6	-10	-2	0	0	-10

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Quadratic twists for elliptic curve 10640u4

-4	8	-3	5	-7
2660h4	42560cf4	95760da4	53200cj4	74480bt4

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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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