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	4	Product of Tamagawa factors cp
deg	640	Modular degree for the optimal curve
Δ	693530505 = 314 · 5 · 29	Discriminant
Eigenvalues	1 3- 5+ -4  0  6 -2  8	Hecke eigenvalues for primes up to 20
Equation	[1,-1,0,-270,1215]	[a1,a2,a3,a4,a6]
j	2992209121/951345	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	2	Number of elements in the torsion subgroup
Twists	20880bv1 83520dg1 435d1 6525f1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 1305c1

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 1305c1

-4	8	-3	5	-7	29
20880bv1	83520dg1	435d1	6525f1	63945y1	37845e1

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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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