Cremona's table of elliptic curves

2805 = 3 · 5 · 11 · 17

Field	Data	Notes
Atkin-Lehner	3+ 5+ 11- 17+	Signs for the Atkin-Lehner involutions
Class	2805b	Isogeny class
Conductor	2805	Conductor
∏ cp	16	Product of Tamagawa factors cp
Δ	196700625 = 32 · 54 · 112 · 172	Discriminant
Eigenvalues	1 3+ 5+  4 11- -2 17+  4	Hecke eigenvalues for primes up to 20
Equation	[1,1,0,-1558,23023]	[a1,a2,a3,a4,a6]
j	418660076257129/196700625	j-invariant
L	1.7620951144345	L(r)(E,1)/r!
Ω	1.7620951144345	Real period
R	1	Regulator
r	0	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	4	Number of elements in the torsion subgroup
Twists	44880cb2 8415o2 14025s2 30855d2	Quadratic twists by: -4 -3 5 -11

Hecke Eigenvalues for elliptic curve 2805b2

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	+	+	4	-	-2	+	4	-8	2	8	-2	6	-4	-4	-2	8	2	12	-8	6	-4	-4	2	10

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Quadratic twists for elliptic curve 2805b2

-4	-3	5	-11	17
44880cb2	8415o2	14025s2	30855d2	47685p2

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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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