Cremona's table of elliptic curves

15456 = 2⁵ · 3 · 7 · 23

Field	Data	Notes
Atkin-Lehner	2- 3- 7+ 23+	Signs for the Atkin-Lehner involutions
Class	15456r	Isogeny class
Conductor	15456	Conductor
∏ cp	64	Product of Tamagawa factors cp
deg	18432	Modular degree for the optimal curve
Δ	10884331584 = 26 · 38 · 72 · 232	Discriminant
Eigenvalues	2- 3- -2 7+ -4  2  2  0	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,-8694,309096]	[a1,a2,a3,a4,a6]
Generators	[30:276:1]	Generators of the group modulo torsion
j	1135671162482368/170067681	j-invariant
L	4.6889285845502	L(r)(E,1)/r!
Ω	1.2365346447546	Real period
R	0.947997818832	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	4	Number of elements in the torsion subgroup
Twists	15456o1 30912bh2 46368p1 108192bg1	Quadratic twists by: -4 8 -3 -7

Hecke Eigenvalues for elliptic curve 15456r1

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	0	+	6	-8	2	2	-4	0	10	4	14	12	8	10	-8	-16	10	-14

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Quadratic twists for elliptic curve 15456r1

-4	8	-3	-7
15456o1	30912bh2	46368p1	108192bg1

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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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