Cremona's table of elliptic curves

97216 = 2⁶ · 7² · 31

Field	Data	Notes
Atkin-Lehner	2+ 7- 31+	Signs for the Atkin-Lehner involutions
Class	97216k	Isogeny class
Conductor	97216	Conductor
∏ cp	16	Product of Tamagawa factors cp
Δ	25933408600064 = 215 · 77 · 312	Discriminant
Eigenvalues	2+ -2 -2 7- -4 -2  0  0	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,-12609,-491009]	[a1,a2,a3,a4,a6]
Generators	[-78:155:1] [-75:196:1]	Generators of the group modulo torsion
j	57512456/6727	j-invariant
L	6.2392229289995	L(r)(E,1)/r!
Ω	0.45397197834075	Real period
R	3.435907515328	Regulator
r	2	Rank of the group of rational points
S	1.0000000000773	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	97216z2 48608d2 13888l2	Quadratic twists by: -4 8 -7

Hecke Eigenvalues for elliptic curve 97216k2

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

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Quadratic twists for elliptic curve 97216k2

-4	8	-7
97216z2	48608d2	13888l2

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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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