Cremona's table of elliptic curves

12948 = 2² · 3 · 13 · 83

Field	Data	Notes
Atkin-Lehner	2- 3- 13- 83-	Signs for the Atkin-Lehner involutions
Class	12948a	Isogeny class
Conductor	12948	Conductor
∏ cp	104	Product of Tamagawa factors cp
Δ	3273522654278253312 = 28 · 313 · 132 · 834	Discriminant
Eigenvalues	2- 3-  0 -2  0 13-  2  2	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,-8532908,9590628660]	[a1,a2,a3,a4,a6]
Generators	[367:80676:1]	Generators of the group modulo torsion
j	268395349965534837250000/12787197868274427	j-invariant
L	5.4642719635605	L(r)(E,1)/r!
Ω	0.23702335126155	Real period
R	0.88668186139549	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	51792h2 38844d2	Quadratic twists by: -4 -3

Hecke Eigenvalues for elliptic curve 12948a2

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

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Quadratic twists for elliptic curve 12948a2

-4	-3
51792h2	38844d2

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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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