Cremona's table of elliptic curves

12844 = 2² · 13² · 19

Field	Data	Notes
Atkin-Lehner	2- 13+ 19+	Signs for the Atkin-Lehner involutions
Class	12844b	Isogeny class
Conductor	12844	Conductor
∏ cp	2	Product of Tamagawa factors cp
deg	20160	Modular degree for the optimal curve
Δ	-3967714226944 = -1 · 28 · 138 · 19	Discriminant
Eigenvalues	2-  0  3 -3 -3 13+ -7 19+	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,2704,79092]	[a1,a2,a3,a4,a6]
j	1769472/3211	j-invariant
L	1.0757603115271	L(r)(E,1)/r!
Ω	0.53788015576357	Real period
R	1	Regulator
r	0	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	1	Number of elements in the torsion subgroup
Twists	51376u1 115596t1 988c1	Quadratic twists by: -4 -3 13

Hecke Eigenvalues for elliptic curve 12844b1

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	3	-3	-3	+	-7	+	0	-8	-2	8	-2	1	7	-4	12	-9	-2	-4	13	6	-4	6	-4

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Quadratic twists for elliptic curve 12844b1

-4	-3	13
51376u1	115596t1	988c1

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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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