Cremona's table of elliptic curves

18396 = 2² · 3² · 7 · 73

Field	Data	Notes
Atkin-Lehner	2- 3- 7+ 73+	Signs for the Atkin-Lehner involutions
Class	18396g	Isogeny class
Conductor	18396	Conductor
∏ cp	8	Product of Tamagawa factors cp
deg	104832	Modular degree for the optimal curve
Δ	-15993011677044528 = -1 · 24 · 313 · 76 · 732	Discriminant
Eigenvalues	2- 3- -2 7+  4 -2  2 -4	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,-68556,9206269]	[a1,a2,a3,a4,a6]
Generators	[5175:371812:1]	Generators of the group modulo torsion
j	-3055009826357248/1371142976427	j-invariant
L	4.1398709639662	L(r)(E,1)/r!
Ω	0.36652514440256	Real period
R	5.6474583356543	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	73584bd1 6132e1 128772m1	Quadratic twists by: -4 -3 -7

Hecke Eigenvalues for elliptic curve 18396g1

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

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Quadratic twists for elliptic curve 18396g1

-4	-3	-7
73584bd1	6132e1	128772m1

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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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