Properties

Label 2-2e4-4.3-c14-0-6
Degree $2$
Conductor $16$
Sign $-0.500 - 0.866i$
Analytic cond. $19.8926$
Root an. cond. $4.46011$
Motivic weight $14$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 4.27e3i·3-s − 5.92e4·5-s − 1.04e6i·7-s − 1.34e7·9-s − 1.23e7i·11-s + 5.91e7·13-s + 2.53e8i·15-s + 2.67e8·17-s + 6.60e8i·19-s − 4.46e9·21-s − 1.04e8i·23-s − 2.59e9·25-s + 3.71e10i·27-s + 1.09e10·29-s − 9.03e9i·31-s + ⋯
L(s)  = 1  − 1.95i·3-s − 0.758·5-s − 1.26i·7-s − 2.81·9-s − 0.631i·11-s + 0.942·13-s + 1.48i·15-s + 0.650·17-s + 0.738i·19-s − 2.47·21-s − 0.0306i·23-s − 0.424·25-s + 3.55i·27-s + 0.633·29-s − 0.328i·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 16 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.500 - 0.866i)\, \overline{\Lambda}(15-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 16 ^{s/2} \, \Gamma_{\C}(s+7) \, L(s)\cr =\mathstrut & (-0.500 - 0.866i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(16\)    =    \(2^{4}\)
Sign: $-0.500 - 0.866i$
Analytic conductor: \(19.8926\)
Root analytic conductor: \(4.46011\)
Motivic weight: \(14\)
Rational: no
Arithmetic: yes
Character: $\chi_{16} (15, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 16,\ (\ :7),\ -0.500 - 0.866i)\)

Particular Values

\(L(\frac{15}{2})\) \(\approx\) \(0.457660 + 0.792690i\)
\(L(\frac12)\) \(\approx\) \(0.457660 + 0.792690i\)
\(L(8)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
good3 \( 1 + 4.27e3iT - 4.78e6T^{2} \)
5 \( 1 + 5.92e4T + 6.10e9T^{2} \)
7 \( 1 + 1.04e6iT - 6.78e11T^{2} \)
11 \( 1 + 1.23e7iT - 3.79e14T^{2} \)
13 \( 1 - 5.91e7T + 3.93e15T^{2} \)
17 \( 1 - 2.67e8T + 1.68e17T^{2} \)
19 \( 1 - 6.60e8iT - 7.99e17T^{2} \)
23 \( 1 + 1.04e8iT - 1.15e19T^{2} \)
29 \( 1 - 1.09e10T + 2.97e20T^{2} \)
31 \( 1 + 9.03e9iT - 7.56e20T^{2} \)
37 \( 1 + 1.07e11T + 9.01e21T^{2} \)
41 \( 1 - 2.71e11T + 3.79e22T^{2} \)
43 \( 1 - 1.56e11iT - 7.38e22T^{2} \)
47 \( 1 + 6.62e11iT - 2.56e23T^{2} \)
53 \( 1 + 1.98e12T + 1.37e24T^{2} \)
59 \( 1 + 7.45e11iT - 6.19e24T^{2} \)
61 \( 1 + 4.18e11T + 9.87e24T^{2} \)
67 \( 1 + 3.33e12iT - 3.67e25T^{2} \)
71 \( 1 + 8.61e12iT - 8.27e25T^{2} \)
73 \( 1 + 1.63e13T + 1.22e26T^{2} \)
79 \( 1 + 2.19e13iT - 3.68e26T^{2} \)
83 \( 1 - 1.49e13iT - 7.36e26T^{2} \)
89 \( 1 + 1.22e13T + 1.95e27T^{2} \)
97 \( 1 + 2.31e13T + 6.52e27T^{2} \)
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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

−14.21209258520559545883152377391, −13.41024042184468458108642220477, −12.14833914727498103558206817781, −10.99161325938826647377532661251, −8.267987962335364485487411124730, −7.44283707668746807684508058381, −6.13893938342966794431321113816, −3.45355918093293927699225143285, −1.37141060323344517318940352315, −0.35680627879401868361208211450, 2.99555730261388886154641435701, 4.33865198919160258519561371351, 5.65439992470305527846048369084, 8.448335467308203625550200473171, 9.489952441810520366919434483927, 10.92370624039253234251768414750, 12.02701231907971971929249659622, 14.45081366088008752024531739831, 15.64787358479229150246646712620, 15.86090516321213839596879044361

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