Cremona's table of elliptic curves

41664 = 2⁶ · 3 · 7 · 31

Field	Data	Notes
Atkin-Lehner	2+ 3+ 7- 31+	Signs for the Atkin-Lehner involutions
Class	41664r	Isogeny class
Conductor	41664	Conductor
∏ cp	8	Product of Tamagawa factors cp
deg	14336	Modular degree for the optimal curve
Δ	127991808 = 216 · 32 · 7 · 31	Discriminant
Eigenvalues	2+ 3+  2 7-  0  2 -6 -6	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,-257,-1407]	[a1,a2,a3,a4,a6]
j	28756228/1953	j-invariant
L	2.394179316128	L(r)(E,1)/r!
Ω	1.1970896580601	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	41664dm1 5208f1 124992cr1	Quadratic twists by: -4 8 -3

Hecke Eigenvalues for elliptic curve 41664r1

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

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Quadratic twists for elliptic curve 41664r1

-4	8	-3
41664dm1	5208f1	124992cr1

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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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