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	1248h	Isogeny class
Conductor	1248	Conductor
∏ cp	2	Product of Tamagawa factors cp
Δ	-3537271296 = -1 · 29 · 312 · 13	Discriminant
Eigenvalues	2- 3+ -2  0  4 13- -6 -8	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,-104,-2856]	[a1,a2,a3,a4,a6]
Generators	[4398:11935:216]	Generators of the group modulo torsion
j	-245314376/6908733	j-invariant
L	2.1339749893058	L(r)(E,1)/r!
Ω	0.61031764969664	Real period
R	6.9929977950548	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	1248e4 2496h4 3744h4 31200n2	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 1248h4

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

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Quadratic twists for elliptic curve 1248h4

-4	8	-3	5	-7	13
1248e4	2496h4	3744h4	31200n2	61152bt2	16224c4

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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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