Cremona's table of elliptic curves

98 = 2 · 7²

Field	Data	Notes
Atkin-Lehner	2+ 7-	Signs for the Atkin-Lehner involutions
Class	98a	Isogeny class
Conductor	98	Conductor
∏ cp	4	Product of Tamagawa factors cp
Δ	110730297608 = 23 · 712	Discriminant
Eigenvalues	2+  2  0 7-  0  4 -6 -2	Hecke eigenvalues for primes up to 20
Equation	[1,1,0,-1740,22184]	[a1,a2,a3,a4,a6]
j	4956477625/941192	j-invariant
L	1.0019771957699	L(r)(E,1)/r!
Ω	1.0019771957699	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	784j4 3136k4 882i4 2450y4	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 98a4

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

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Quadratic twists for elliptic curve 98a4

-4	8	-3	5	-7	-11	13	17	-19	-23	29	-31
784j4	3136k4	882i4	2450y4	14a2	11858bk4	16562bo4	28322h4	35378p4	51842e4	82418p4	94178h4

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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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