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	1550d	Isogeny class
Conductor	1550	Conductor
∏ cp	8	Product of Tamagawa factors cp
deg	2304	Modular degree for the optimal curve
Δ	-49600000000 = -1 · 212 · 58 · 31	Discriminant
Eigenvalues	2+  2 5+  4  0  4  0 -4	Hecke eigenvalues for primes up to 20
Equation	[1,1,0,-2650,52500]	[a1,a2,a3,a4,a6]
j	-131794519969/3174400	j-invariant
L	2.2527379979944	L(r)(E,1)/r!
Ω	1.1263689989972	Real period
R	1	Regulator
r	0	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	12400q1 49600ba1 13950cq1 310b1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 1550d1

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	+	4	0	4	0	-4	6	6	-	-8	-6	10	0	0	-12	14	-8	0	4	8	-6	-18	10

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Quadratic twists for elliptic curve 1550d1

-4	8	-3	5	-7	-31
12400q1	49600ba1	13950cq1	310b1	75950o1	48050e1

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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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