Cremona's table of elliptic curves

20460 = 2² · 3 · 5 · 11 · 31

Field	Data	Notes
Atkin-Lehner	2- 3- 5+ 11- 31-	Signs for the Atkin-Lehner involutions
Class	20460l	Isogeny class
Conductor	20460	Conductor
∏ cp	224	Product of Tamagawa factors cp
Δ	4.9432126977491E+23	Discriminant
Eigenvalues	2- 3- 5+ -2 11- -4 -4  6	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,-20623076,12450205140]	[a1,a2,a3,a4,a6]
Generators	[-4709:71874:1]	Generators of the group modulo torsion
j	3789170038204864571135824/1930942460058224255775	j-invariant
L	5.2251032534465	L(r)(E,1)/r!
Ω	0.082217213435609	Real period
R	1.1348647240786	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	81840bm2 61380r2 102300i2	Quadratic twists by: -4 -3 5

Hecke Eigenvalues for elliptic curve 20460l2

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	-	-4	-4	6	0	4	-	-2	-6	4	8	-2	0	12	-8	0	-8	-4	16	-6	-14

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Quadratic twists for elliptic curve 20460l2

-4	-3	5
81840bm2	61380r2	102300i2

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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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