Cremona's table of elliptic curves

22540 = 2² · 5 · 7² · 23

Field	Data	Notes
Atkin-Lehner	2- 5- 7+ 23+	Signs for the Atkin-Lehner involutions
Class	22540k	Isogeny class
Conductor	22540	Conductor
∏ cp	3	Product of Tamagawa factors cp
Δ	-89779627221760 = -1 · 28 · 5 · 78 · 233	Discriminant
Eigenvalues	2- -2 5- 7+ -6 -4 -6  2	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,-136285,-19415985]	[a1,a2,a3,a4,a6]
Generators	[1074:32775:1]	Generators of the group modulo torsion
j	-189691027456/60835	j-invariant
L	2.6687642922124	L(r)(E,1)/r!
Ω	0.12423641869129	Real period
R	7.1604454376183	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	1	Number of elements in the torsion subgroup
Twists	90160ck2 112700d2 22540g2	Quadratic twists by: -4 5 -7

Hecke Eigenvalues for elliptic curve 22540k2

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	-	+	-6	-4	-6	2	+	3	-1	-7	-3	5	6	6	0	2	5	0	8	-4	15	18	-1

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Quadratic twists for elliptic curve 22540k2

-4	5	-7
90160ck2	112700d2	22540g2

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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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