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	-215886856192 = -1 · 218 · 77	Discriminant
Eigenvalues	2+  2  0 7-  0  4 -6 -2	Hecke eigenvalues for primes up to 20
Equation	[1,1,0,-8355,291341]	[a1,a2,a3,a4,a6]
j	-548347731625/1835008	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	784j5 3136k5 882i5 2450y5	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 98a5

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 98a5

-4	8	-3	5	-7	-11	13	17	-19	-23	29	-31
784j5	3136k5	882i5	2450y5	14a3	11858bk5	16562bo5	28322h5	35378p5	51842e5	82418p5	94178h5

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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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