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
Δ	-28387418443776 = -1 · 212 · 316 · 7 · 23	Discriminant
Eigenvalues	2- 3- -2 7+ -4  2  2  0	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,-7889,369471]	[a1,a2,a3,a4,a6]
Generators	[-89:612:1]	Generators of the group modulo torsion
j	-13258203533632/6930522081	j-invariant
L	4.6889285845502	L(r)(E,1)/r!
Ω	0.61826732237729	Real period
R	1.895995637664	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	15456o4 30912bh1 46368p2 108192bg2	Quadratic twists by: -4 8 -3 -7

Hecke Eigenvalues for elliptic curve 15456r4

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

---

Quadratic twists for elliptic curve 15456r4

-4	8	-3	-7
15456o4	30912bh1	46368p2	108192bg2

---

Data from Elliptic Curve Data by J. E. Cremona.
Design inspired by The Modular Forms Explorer by William Stein.

Part of Computational Number Theory
Back to Tables and computations