Cremona's table of elliptic curves

171 = 3² · 19

Field	Data	Notes
Atkin-Lehner	3- 19+	Signs for the Atkin-Lehner involutions
Class	171a	Isogeny class
Conductor	171	Conductor
∏ cp	4	Product of Tamagawa factors cp
deg	12	Modular degree for the optimal curve
Δ	41553 = 37 · 19	Discriminant
Eigenvalues	-1 3-  2  0  0  6  6 19+	Hecke eigenvalues for primes up to 20
Equation	[1,-1,1,-14,20]	[a1,a2,a3,a4,a6]
j	389017/57	j-invariant
L	0.86836134047839	L(r)(E,1)/r!
Ω	3.4734453619136	Real period
R	1	Regulator
r	0	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	4	Number of elements in the torsion subgroup
Twists	2736t1 10944bh1 57b2 4275e1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 171a1

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	-	2	0	0	6	6	+	-4	-2	8	-10	2	-4	-12	6	12	-2	-4	0	10	0	-16	2	10

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Quadratic twists for elliptic curve 171a1

-4	8	-3	5	-7	-11	13	17	-19	-23
2736t1	10944bh1	57b2	4275e1	8379n1	20691q1	28899k1	49419b1	3249e1	90459r1

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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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