Cremona's table of elliptic curves

2170 = 2 · 5 · 7 · 31

Field	Data	Notes
Atkin-Lehner	2+ 5+ 7- 31-	Signs for the Atkin-Lehner involutions
Class	2170c	Isogeny class
Conductor	2170	Conductor
∏ cp	1	Product of Tamagawa factors cp
Δ	217000000000 = 29 · 59 · 7 · 31	Discriminant
Eigenvalues	2+  1 5+ 7-  3  5 -6 -7	Hecke eigenvalues for primes up to 20
Equation	[1,0,1,-21269,-1195424]	[a1,a2,a3,a4,a6]
Generators	[-18030:10357:216]	Generators of the group modulo torsion
j	1063985165884855369/217000000000	j-invariant
L	2.6284864869372	L(r)(E,1)/r!
Ω	0.39533980897861	Real period
R	6.6486764733561	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	17360q3 69440bx3 19530cg3 10850u3	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 2170c3

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
+	1	+	-	3	5	-6	-7	-9	-6	-	2	0	8	-3	0	9	8	-4	-15	-16	-10	15	-15	-1

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Quadratic twists for elliptic curve 2170c3

-4	8	-3	5	-7	-31
17360q3	69440bx3	19530cg3	10850u3	15190o3	67270h3

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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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