Cremona's table of elliptic curves

15624 = 2³ · 3² · 7 · 31

Field	Data	Notes
Atkin-Lehner	2+ 3- 7- 31+	Signs for the Atkin-Lehner involutions
Class	15624m	Isogeny class
Conductor	15624	Conductor
∏ cp	32	Product of Tamagawa factors cp
Δ	79091437824 = 28 · 38 · 72 · 312	Discriminant
Eigenvalues	2+ 3- -2 7- -4  2  2  4	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,-2631,-50150]	[a1,a2,a3,a4,a6]
Generators	[87:616:1]	Generators of the group modulo torsion
j	10792418128/423801	j-invariant
L	4.1308303523276	L(r)(E,1)/r!
Ω	0.66821929977213	Real period
R	3.0909241574856	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	31248m2 124992co2 5208m2 109368v2	Quadratic twists by: -4 8 -3 -7

Hecke Eigenvalues for elliptic curve 15624m2

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

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Quadratic twists for elliptic curve 15624m2

-4	8	-3	-7
31248m2	124992co2	5208m2	109368v2

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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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