Cremona's table of elliptic curves

9945 = 3² · 5 · 13 · 17

Field	Data	Notes
Atkin-Lehner	3+ 5- 13- 17+	Signs for the Atkin-Lehner involutions
Class	9945d	Isogeny class
Conductor	9945	Conductor
∏ cp	14	Product of Tamagawa factors cp
deg	63840	Modular degree for the optimal curve
Δ	-28383717914296875 = -1 · 39 · 57 · 13 · 175	Discriminant
Eigenvalues	0 3+ 5-  4  2 13- 17+ -4	Hecke eigenvalues for primes up to 20
Equation	[0,0,1,-64962,-10311010]	[a1,a2,a3,a4,a6]
Generators	[348:3037:1]	Generators of the group modulo torsion
j	-1540318675894272/1442042265625	j-invariant
L	4.6228592733018	L(r)(E,1)/r!
Ω	0.14398412430741	Real period
R	2.2933377925907	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	1	Number of elements in the torsion subgroup
Twists	9945b1 49725b1 129285c1	Quadratic twists by: -3 5 13

Hecke Eigenvalues for elliptic curve 9945d1

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	+	-	4	2	-	+	-4	-4	-1	-3	-6	12	-8	-6	-11	-7	0	-9	-6	-6	-12	0	-5	0

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Quadratic twists for elliptic curve 9945d1

-3	5	13
9945b1	49725b1	129285c1

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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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