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	1248a	Isogeny class
Conductor	1248	Conductor
∏ cp	4	Product of Tamagawa factors cp
deg	128	Modular degree for the optimal curve
Δ	67392 = 26 · 34 · 13	Discriminant
Eigenvalues	2+ 3+ -2 -2  6 13+ -2  6	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,-14,-12]	[a1,a2,a3,a4,a6]
Generators	[-2:2:1]	Generators of the group modulo torsion
j	5088448/1053	j-invariant
L	2.074207212731	L(r)(E,1)/r!
Ω	2.4893993991806	Real period
R	0.83321592084167	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	1248i1 2496n2 3744k1 31200cd1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 1248a1

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

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Quadratic twists for elliptic curve 1248a1

-4	8	-3	5	-7	13
1248i1	2496n2	3744k1	31200cd1	61152w1	16224o1

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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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