Cremona's table of elliptic curves

1305 = 3² · 5 · 29

Field	Data	Notes
Atkin-Lehner	3- 5+ 29+	Signs for the Atkin-Lehner involutions
Class	1305c	Isogeny class
Conductor	1305	Conductor
∏ cp	16	Product of Tamagawa factors cp
Δ	1241505225 = 310 · 52 · 292	Discriminant
Eigenvalues	1 3- 5+ -4  0  6 -2  8	Hecke eigenvalues for primes up to 20
Equation	[1,-1,0,-3915,95256]	[a1,a2,a3,a4,a6]
j	9104453457841/1703025	j-invariant
L	1.4881143692059	L(r)(E,1)/r!
Ω	1.4881143692059	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	20880bv2 83520dg2 435d2 6525f2	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 1305c2

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

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Quadratic twists for elliptic curve 1305c2

-4	8	-3	5	-7	29
20880bv2	83520dg2	435d2	6525f2	63945y2	37845e2

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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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