Cremona's table of elliptic curves

420 = 2² · 3 · 5 · 7

Field	Data	Notes
Atkin-Lehner	2- 3- 5+ 7-	Signs for the Atkin-Lehner involutions
Conductor	420	Conductor
Count	4	Number of curves in isogeny class
Curves	420c1 420c2 420c3 420c4	Curves in isogeny class
deg	72	Modular degree for the optimal curve
Eigenvalues	2- 3- 5+ 7-  6 -4  6  2	Hecke eigenvalues for primes less than 20
L	1.7281211109508	L(r)(E,1)/r!
r	0	Rank of the group of rational points
Twists	1680l 6720o 1260j 2100b	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for isogeny class 420c

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
-	-	+	-	6	-4	6	2	0	6	-10	2	-6	-4	0	-12	0	14	-4	6	-4	-16	-12	6	-16

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Quadratic twists for isogeny class 420c

-4	8	-3	5	-7	-11	13	17
1680l	6720o	1260j	2100b	2940f	50820p	70980ba	121380o

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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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