Cremona's table of elliptic curves

3948 = 2² · 3 · 7 · 47

Field	Data	Notes
Atkin-Lehner	2- 3- 7+ 47-	Signs for the Atkin-Lehner involutions
Class	3948c	Isogeny class
Conductor	3948	Conductor
∏ cp	4	Product of Tamagawa factors cp
Δ	35626752 = 28 · 32 · 7 · 472	Discriminant
Eigenvalues	2- 3- -2 7+  0 -4  4  4	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,-84,-108]	[a1,a2,a3,a4,a6]
j	259108432/139167	j-invariant
L	1.6766307842687	L(r)(E,1)/r!
Ω	1.6766307842687	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	15792u2 63168h2 11844c2 98700j2	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 3948c2

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

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Quadratic twists for elliptic curve 3948c2

-4	8	-3	5	-7
15792u2	63168h2	11844c2	98700j2	27636c2

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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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