Cremona's table of elliptic curves

1248 = 2⁵ · 3 · 13

Field	Data	Notes
Atkin-Lehner	2+ 3- 13-	Signs for the Atkin-Lehner involutions
Class	1248d	Isogeny class
Conductor	1248	Conductor
∏ cp	40	Product of Tamagawa factors cp
Δ	168210432 = 212 · 35 · 132	Discriminant
Eigenvalues	2+ 3-  0 -2 -4 13- -6 -6	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,-1313,17871]	[a1,a2,a3,a4,a6]
Generators	[-5:156:1]	Generators of the group modulo torsion
j	61162984000/41067	j-invariant
L	2.8732043345733	L(r)(E,1)/r!
Ω	1.7940718838874	Real period
R	0.16014990036785	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	1248b2 2496r1 3744n2 31200bg2	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 1248d2

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

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Quadratic twists for elliptic curve 1248d2

-4	8	-3	5	-7	13
1248b2	2496r1	3744n2	31200bg2	61152b2	16224s2

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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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