Cremona's table of elliptic curves

20445 = 3 · 5 · 29 · 47

Field	Data	Notes
Atkin-Lehner	3- 5- 29- 47-	Signs for the Atkin-Lehner involutions
Class	20445f	Isogeny class
Conductor	20445	Conductor
∏ cp	24	Product of Tamagawa factors cp
Δ	-6771568005 = -1 · 36 · 5 · 292 · 472	Discriminant
Eigenvalues	-1 3- 5-  0 -2  4  2  0	Hecke eigenvalues for primes up to 20
Equation	[1,0,0,-740,-8763]	[a1,a2,a3,a4,a6]
Generators	[67:460:1]	Generators of the group modulo torsion
j	-44818317725761/6771568005	j-invariant
L	4.3035379111712	L(r)(E,1)/r!
Ω	0.4538911632881	Real period
R	1.5802385605672	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	61335c2 102225d2	Quadratic twists by: -3 5

Hecke Eigenvalues for elliptic curve 20445f2

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
-1	-	-	0	-2	4	2	0	-8	-	8	-8	-2	4	-	-12	10	6	-4	-10	10	-14	-8	6	12

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Quadratic twists for elliptic curve 20445f2

-3	5
61335c2	102225d2

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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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