Cremona's table of elliptic curves

1550 = 2 · 5² · 31

Field	Data	Notes
Atkin-Lehner	2+ 5+ 31+	Signs for the Atkin-Lehner involutions
Class	1550a	Isogeny class
Conductor	1550	Conductor
∏ cp	16	Product of Tamagawa factors cp
Δ	60062500 = 22 · 56 · 312	Discriminant
Eigenvalues	2+  0 5+  0  0 -2  6  4	Hecke eigenvalues for primes up to 20
Equation	[1,-1,0,-517,4641]	[a1,a2,a3,a4,a6]
Generators	[5:44:1]	Generators of the group modulo torsion
j	979146657/3844	j-invariant
L	2.0735841267829	L(r)(E,1)/r!
Ω	1.9833755887895	Real period
R	1.0454823274539	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	4	Number of elements in the torsion subgroup
Twists	12400r2 49600a2 13950cc2 62a2	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 1550a2

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

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Quadratic twists for elliptic curve 1550a2

-4	8	-3	5	-7	-31
12400r2	49600a2	13950cc2	62a2	75950t2	48050b2

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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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