Cremona's table of elliptic curves

8216 = 2³ · 13 · 79

Field	Data	Notes
Atkin-Lehner	2+ 13- 79+	Signs for the Atkin-Lehner involutions
Class	8216a	Isogeny class
Conductor	8216	Conductor
∏ cp	2	Product of Tamagawa factors cp
deg	2304	Modular degree for the optimal curve
Δ	-166160384 = -1 · 211 · 13 · 792	Discriminant
Eigenvalues	2+ -1  3 -1  0 13-  3  6	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,136,76]	[a1,a2,a3,a4,a6]
j	134838286/81133	j-invariant
L	2.2235238509634	L(r)(E,1)/r!
Ω	1.1117619254817	Real period
R	1	Regulator
r	0	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	1	Number of elements in the torsion subgroup
Twists	16432c1 65728b1 73944y1 106808g1	Quadratic twists by: -4 8 -3 13

Hecke Eigenvalues for elliptic curve 8216a1

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	-1	0	-	3	6	8	-4	8	1	2	9	-9	12	-10	-8	-14	-15	-4	+	6	-8	0

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Quadratic twists for elliptic curve 8216a1

-4	8	-3	13
16432c1	65728b1	73944y1	106808g1

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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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