Cremona's table of elliptic curves

21360 = 2⁴ · 3 · 5 · 89

Field	Data	Notes
Atkin-Lehner	2- 3+ 5- 89+	Signs for the Atkin-Lehner involutions
Class	21360i	Isogeny class
Conductor	21360	Conductor
∏ cp	16	Product of Tamagawa factors cp
Δ	1648864647898767360 = 213 · 34 · 5 · 896	Discriminant
Eigenvalues	2- 3+ 5- -2  0  2  6 -2	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,-2115760,1183627840]	[a1,a2,a3,a4,a6]
Generators	[922:3978:1]	Generators of the group modulo torsion
j	255719105183305589041/402554845678410	j-invariant
L	4.6346500214626	L(r)(E,1)/r!
Ω	0.2662071097473	Real period
R	4.3524852002095	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	2670e4 85440bh4 64080z4 106800br4	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 21360i4

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	-2	6	0	4	-10	-6	4	-12	-6	-6	8	4	0	2	-8	-12	+	-10

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Quadratic twists for elliptic curve 21360i4

-4	8	-3	5
2670e4	85440bh4	64080z4	106800br4

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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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