Cremona's table of elliptic curves

657 = 3² · 73

Field	Data	Notes
Atkin-Lehner	3- 73+	Signs for the Atkin-Lehner involutions
Class	657a	Isogeny class
Conductor	657	Conductor
∏ cp	4	Product of Tamagawa factors cp
deg	480	Modular degree for the optimal curve
Δ	3142410633 = 316 · 73	Discriminant
Eigenvalues	-1 3-  4  2  4 -2  0 -4	Hecke eigenvalues for primes up to 20
Equation	[1,-1,1,-743,7494]	[a1,a2,a3,a4,a6]
j	62146192681/4310577	j-invariant
L	1.3920168886714	L(r)(E,1)/r!
Ω	1.3920168886714	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	10512q1 42048o1 219c1 16425k1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 657a1

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	2	4	-2	0	-4	0	-8	6	-2	10	-6	8	12	-4	-14	8	8	+	8	-16	14	-2

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Quadratic twists for elliptic curve 657a1

-4	8	-3	5	-7	-11	13	73
10512q1	42048o1	219c1	16425k1	32193i1	79497k1	111033e1	47961g1

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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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