Cremona's table of elliptic curves

20145 = 3 · 5 · 17 · 79

Field	Data	Notes
Atkin-Lehner	3+ 5+ 17- 79+	Signs for the Atkin-Lehner involutions
Class	20145b	Isogeny class
Conductor	20145	Conductor
∏ cp	2	Product of Tamagawa factors cp
deg	1312	Modular degree for the optimal curve
Δ	-60435 = -1 · 32 · 5 · 17 · 79	Discriminant
Eigenvalues	0 3+ 5+ -2 -4  2 17- -4	Hecke eigenvalues for primes up to 20
Equation	[0,-1,1,-1,12]	[a1,a2,a3,a4,a6]
Generators	[-2:1:1] [0:3:1]	Generators of the group modulo torsion
j	-262144/60435	j-invariant
L	4.8661376563558	L(r)(E,1)/r!
Ω	2.8600910003373	Real period
R	0.85069629878602	Regulator
r	2	Rank of the group of rational points
S	0.99999999999989	(Analytic) order of Ш
t	1	Number of elements in the torsion subgroup
Twists	60435f1 100725l1	Quadratic twists by: -3 5

Hecke Eigenvalues for elliptic curve 20145b1

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
0	+	+	-2	-4	2	-	-4	-1	-9	-6	0	-1	-1	7	6	-12	-5	14	-8	-9	+	6	-9	-2

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Quadratic twists for elliptic curve 20145b1

-3	5
60435f1	100725l1

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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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