Cremona's table of elliptic curves

18648 = 2³ · 3² · 7 · 37

Field	Data	Notes
Atkin-Lehner	2+ 3+ 7+ 37+	Signs for the Atkin-Lehner involutions
Class	18648b	Isogeny class
Conductor	18648	Conductor
∏ cp	8	Product of Tamagawa factors cp
Δ	3239159055439104 = 28 · 39 · 73 · 374	Discriminant
Eigenvalues	2+ 3+ -2 7+ -2  6  2 -8	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,-37071,222210]	[a1,a2,a3,a4,a6]
Generators	[367:6004:1]	Generators of the group modulo torsion
j	1118137874544/642837223	j-invariant
L	4.1342529939905	L(r)(E,1)/r!
Ω	0.38214599715202	Real period
R	5.4092585357448	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	37296d2 18648r2	Quadratic twists by: -4 -3

Hecke Eigenvalues for elliptic curve 18648b2

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

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Quadratic twists for elliptic curve 18648b2

-4	-3
37296d2	18648r2

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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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