Properties

Label 2-48-4.3-c8-0-3
Degree $2$
Conductor $48$
Sign $0.866 - 0.5i$
Analytic cond. $19.5541$
Root an. cond. $4.42201$
Motivic weight $8$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 46.7i·3-s + 952.·5-s + 3.10e3i·7-s − 2.18e3·9-s + 7.17e3i·11-s − 2.68e4·13-s − 4.45e4i·15-s + 1.46e5·17-s + 2.20e5i·19-s + 1.45e5·21-s − 9.65e4i·23-s + 5.16e5·25-s + 1.02e5i·27-s + 1.69e5·29-s + 4.29e5i·31-s + ⋯
L(s)  = 1  − 0.577i·3-s + 1.52·5-s + 1.29i·7-s − 0.333·9-s + 0.490i·11-s − 0.941·13-s − 0.879i·15-s + 1.75·17-s + 1.68i·19-s + 0.745·21-s − 0.345i·23-s + 1.32·25-s + 0.192i·27-s + 0.239·29-s + 0.465i·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 48 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.866 - 0.5i)\, \overline{\Lambda}(9-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 48 ^{s/2} \, \Gamma_{\C}(s+4) \, L(s)\cr =\mathstrut & (0.866 - 0.5i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(48\)    =    \(2^{4} \cdot 3\)
Sign: $0.866 - 0.5i$
Analytic conductor: \(19.5541\)
Root analytic conductor: \(4.42201\)
Motivic weight: \(8\)
Rational: no
Arithmetic: yes
Character: $\chi_{48} (31, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 48,\ (\ :4),\ 0.866 - 0.5i)\)

Particular Values

\(L(\frac{9}{2})\) \(\approx\) \(2.30032 + 0.616371i\)
\(L(\frac12)\) \(\approx\) \(2.30032 + 0.616371i\)
\(L(5)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
3 \( 1 + 46.7iT \)
good5 \( 1 - 952.T + 3.90e5T^{2} \)
7 \( 1 - 3.10e3iT - 5.76e6T^{2} \)
11 \( 1 - 7.17e3iT - 2.14e8T^{2} \)
13 \( 1 + 2.68e4T + 8.15e8T^{2} \)
17 \( 1 - 1.46e5T + 6.97e9T^{2} \)
19 \( 1 - 2.20e5iT - 1.69e10T^{2} \)
23 \( 1 + 9.65e4iT - 7.83e10T^{2} \)
29 \( 1 - 1.69e5T + 5.00e11T^{2} \)
31 \( 1 - 4.29e5iT - 8.52e11T^{2} \)
37 \( 1 - 2.94e6T + 3.51e12T^{2} \)
41 \( 1 - 3.15e6T + 7.98e12T^{2} \)
43 \( 1 + 4.89e6iT - 1.16e13T^{2} \)
47 \( 1 - 8.08e5iT - 2.38e13T^{2} \)
53 \( 1 + 1.21e7T + 6.22e13T^{2} \)
59 \( 1 + 2.47e6iT - 1.46e14T^{2} \)
61 \( 1 + 6.21e6T + 1.91e14T^{2} \)
67 \( 1 + 1.52e7iT - 4.06e14T^{2} \)
71 \( 1 - 1.92e7iT - 6.45e14T^{2} \)
73 \( 1 + 3.17e7T + 8.06e14T^{2} \)
79 \( 1 + 5.67e7iT - 1.51e15T^{2} \)
83 \( 1 - 8.52e7iT - 2.25e15T^{2} \)
89 \( 1 - 3.06e7T + 3.93e15T^{2} \)
97 \( 1 - 5.15e6T + 7.83e15T^{2} \)
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   \(L(s) = \displaystyle\prod_p \ \prod_{j=1}^{2} (1 - \alpha_{j,p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−14.16509731117788617761847075169, −12.63425057409654853411855363723, −12.15648081661113808118916438493, −10.16069730700469917060736227285, −9.344502548070733934440283570655, −7.83252884069898375721398766827, −6.12901552782594675965751690396, −5.37913291570465507491059868500, −2.64540174212908391507192801942, −1.57548975795808686366570010016, 0.940850889095659095560219094853, 2.86478863227993444940147936704, 4.70007298741614143316970914214, 6.00466435818141848267708240429, 7.53676666170279420993369713879, 9.439475885614498879091676345182, 10.04138084592359043206978962358, 11.16953451352097198376940113908, 12.98357300188885379969075516100, 13.91551674253280008792710826692

Graph of the $Z$-function along the critical line