Cremona's table of elliptic curves

2730 = 2 · 3 · 5 · 7 · 13

Field	Data	Notes
Atkin-Lehner	2+ 3+ 5+ 7+ 13-	Signs for the Atkin-Lehner involutions
Class	2730b	Isogeny class
Conductor	2730	Conductor
∏ cp	8	Product of Tamagawa factors cp
Δ	19757817763320 = 23 · 3 · 5 · 78 · 134	Discriminant
Eigenvalues	2+ 3+ 5+ 7+  4 13-  6  4	Hecke eigenvalues for primes up to 20
Equation	[1,1,0,-9093,-260043]	[a1,a2,a3,a4,a6]
j	83161039719198169/19757817763320	j-invariant
L	0.99462611586368	L(r)(E,1)/r!
Ω	0.49731305793184	Real period
R	1	Regulator
r	0	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	21840ca3 87360cw3 8190bq3 13650ct4	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 2730b4

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
+	+	+	+	4	-	6	4	-4	2	-4	-10	-2	4	0	-2	4	-10	-8	16	6	16	4	-10	-2

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Quadratic twists for elliptic curve 2730b4

-4	8	-3	5	-7	13
21840ca3	87360cw3	8190bq3	13650ct4	19110bf3	35490cu3

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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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