Cremona's table of elliptic curves

140 = 2² · 5 · 7

Field	Data	Notes
Atkin-Lehner	2- 5- 7-	Signs for the Atkin-Lehner involutions
Conductor	140	Conductor
Count	2	Number of curves in isogeny class
Curves	140a1 140a2	Curves in isogeny class
deg	12	Modular degree for the optimal curve
Eigenvalues	2-  1 5- 7-  3 -1 -3  2	Hecke eigenvalues for primes less than 20
L	1.3443015422305	L(r)(E,1)/r!
r	0	Rank of the group of rational points
Twists	560f 2240c 1260g 700a	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for isogeny class 140a

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	-	-	3	-1	-3	2	-6	-9	8	-10	0	2	-3	0	12	8	8	0	14	5	-12	12	17

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Quadratic twists for isogeny class 140a

-4	8	-3	5	-7	-11	13	17	-19	-23	29
560f	2240c	1260g	700a	980d	16940d	23660b	40460b	50540o	74060c	117740j

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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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