Cremona's table of elliptic curves

1813 = 7² · 37

Field	Data	Notes
Atkin-Lehner	7- 37+	Signs for the Atkin-Lehner involutions
Class	1813a	Isogeny class
Conductor	1813	Conductor
∏ cp	4	Product of Tamagawa factors cp
deg	1728	Modular degree for the optimal curve
Δ	-55244087983 = -1 · 79 · 372	Discriminant
Eigenvalues	1  0 -4 7-  4 -4  0  6	Hecke eigenvalues for primes up to 20
Equation	[1,-1,0,-254,11479]	[a1,a2,a3,a4,a6]
j	-15438249/469567	j-invariant
L	0.93351975091755	L(r)(E,1)/r!
Ω	0.93351975091755	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	29008j1 116032k1 16317e1 45325h1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 1813a1

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

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Quadratic twists for elliptic curve 1813a1

-4	8	-3	5	-7	37
29008j1	116032k1	16317e1	45325h1	259a1	67081e1

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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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