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
Conductor	9945	Conductor
Count	4	Number of curves in isogeny class
Curves	9945k1 9945k2 9945k3 9945k4	Curves in isogeny class
deg	3584	Modular degree for the optimal curve
Eigenvalues	1 3- 5- -4  4 13- 17- -4	Hecke eigenvalues for primes less than 20
L	5.0613131887144	L(r)(E,1)/r!
r	1	Rank of the group of rational points
Twists	3315b 49725f 129285w	Quadratic twists by: -3 5 13

Hecke Eigenvalues for isogeny class 9945k

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	4	-	-	-4	0	6	0	-10	10	-12	8	-2	0	-2	4	8	2	-4	-12	10	-14

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Quadratic twists for isogeny class 9945k

-3	5	13
3315b	49725f	129285w

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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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