Cremona's table of elliptic curves

26047 = 7 · 61²

Field	Data	Notes
Atkin-Lehner	7+ 61+	Signs for the Atkin-Lehner involutions
Class	26047a	Isogeny class
Conductor	26047	Conductor
∏ cp	4	Product of Tamagawa factors cp
deg	81840	Modular degree for the optimal curve
Δ	-21999199852147 = -1 · 7 · 617	Discriminant
Eigenvalues	0  2  4 7+  2  2 -5 -8	Hecke eigenvalues for primes up to 20
Equation	[0,-1,1,-4961,-261056]	[a1,a2,a3,a4,a6]
Generators	[9724704:153036064:35937]	Generators of the group modulo torsion
j	-262144/427	j-invariant
L	8.2005635565647	L(r)(E,1)/r!
Ω	0.26924715149318	Real period
R	7.6143456960327	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	1	Number of elements in the torsion subgroup
Twists	427a1	Quadratic twists by: 61

Hecke Eigenvalues for elliptic curve 26047a1

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	+	2	2	-5	-8	6	-2	-1	-4	0	-8	-8	12	-1	+	-6	-6	-10	14	-2	-10	-2

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Quadratic twists for elliptic curve 26047a1

61
427a1

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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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