Cremona's table of elliptic curves

13420 = 2² · 5 · 11 · 61

Field	Data	Notes
Atkin-Lehner	2- 5- 11- 61+	Signs for the Atkin-Lehner involutions
Class	13420i	Isogeny class
Conductor	13420	Conductor
∏ cp	6	Product of Tamagawa factors cp
Δ	2684000000 = 28 · 56 · 11 · 61	Discriminant
Eigenvalues	2-  2 5- -2 11-  4 -2  4	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,-3620,-82600]	[a1,a2,a3,a4,a6]
j	20498846518096/10484375	j-invariant
L	3.6929803526993	L(r)(E,1)/r!
Ω	0.61549672544988	Real period
R	1	Regulator
r	0	Rank of the group of rational points
S	4	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	53680ba2 120780g2 67100f2	Quadratic twists by: -4 -3 5

Hecke Eigenvalues for elliptic curve 13420i2

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	-2	4	-4	6	8	8	6	-2	-2	4	-4	+	4	8	-12	4	-8	-18	-2

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Quadratic twists for elliptic curve 13420i2

-4	-3	5
53680ba2	120780g2	67100f2

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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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