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	15456i	Isogeny class
Conductor	15456	Conductor
∏ cp	8	Product of Tamagawa factors cp
Δ	59364488203776 = 29 · 34 · 76 · 233	Discriminant
Eigenvalues	2- 3+  2 7+ -4  4  0 -2	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,-128752,17821060]	[a1,a2,a3,a4,a6]
j	461019267341732744/115946266023	j-invariant
L	1.2190916380174	L(r)(E,1)/r!
Ω	0.60954581900869	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	15456f2 30912u2 46368q2 108192bu2	Quadratic twists by: -4 8 -3 -7

Hecke Eigenvalues for elliptic curve 15456i2

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

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Quadratic twists for elliptic curve 15456i2

-4	8	-3	-7
15456f2	30912u2	46368q2	108192bu2

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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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