Properties

Label 2-2e7-8.3-c4-0-15
Degree $2$
Conductor $128$
Sign $-1$
Analytic cond. $13.2313$
Root an. cond. $3.63749$
Motivic weight $4$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 48i·5-s − 81·9-s + 240i·13-s − 322·17-s − 1.67e3·25-s − 1.68e3i·29-s + 1.68e3i·37-s − 3.03e3·41-s + 3.88e3i·45-s + 2.40e3·49-s − 5.04e3i·53-s − 2.64e3i·61-s + 1.15e4·65-s − 1.44e3·73-s + 6.56e3·81-s + ⋯
L(s)  = 1  − 1.91i·5-s − 9-s + 1.42i·13-s − 1.11·17-s − 2.68·25-s − 1.99i·29-s + 1.22i·37-s − 1.80·41-s + 1.92i·45-s + 49-s − 1.79i·53-s − 0.709i·61-s + 2.72·65-s − 0.270·73-s + 81-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 128 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \overline{\Lambda}(5-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 128 ^{s/2} \, \Gamma_{\C}(s+2) \, L(s)\cr =\mathstrut & -\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(128\)    =    \(2^{7}\)
Sign: $-1$
Analytic conductor: \(13.2313\)
Root analytic conductor: \(3.63749\)
Motivic weight: \(4\)
Rational: no
Arithmetic: yes
Character: $\chi_{128} (63, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 128,\ (\ :2),\ -1)\)

Particular Values

\(L(\frac{5}{2})\) \(\approx\) \(-0.594394i\)
\(L(\frac12)\) \(\approx\) \(-0.594394i\)
\(L(3)\) 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 \( 1 + 81T^{2} \)
5 \( 1 + 48iT - 625T^{2} \)
7 \( 1 - 2.40e3T^{2} \)
11 \( 1 + 1.46e4T^{2} \)
13 \( 1 - 240iT - 2.85e4T^{2} \)
17 \( 1 + 322T + 8.35e4T^{2} \)
19 \( 1 + 1.30e5T^{2} \)
23 \( 1 - 2.79e5T^{2} \)
29 \( 1 + 1.68e3iT - 7.07e5T^{2} \)
31 \( 1 - 9.23e5T^{2} \)
37 \( 1 - 1.68e3iT - 1.87e6T^{2} \)
41 \( 1 + 3.03e3T + 2.82e6T^{2} \)
43 \( 1 + 3.41e6T^{2} \)
47 \( 1 - 4.87e6T^{2} \)
53 \( 1 + 5.04e3iT - 7.89e6T^{2} \)
59 \( 1 + 1.21e7T^{2} \)
61 \( 1 + 2.64e3iT - 1.38e7T^{2} \)
67 \( 1 + 2.01e7T^{2} \)
71 \( 1 - 2.54e7T^{2} \)
73 \( 1 + 1.44e3T + 2.83e7T^{2} \)
79 \( 1 - 3.89e7T^{2} \)
83 \( 1 + 4.74e7T^{2} \)
89 \( 1 - 9.75e3T + 6.27e7T^{2} \)
97 \( 1 - 1.91e3T + 8.85e7T^{2} \)
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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

−11.95476100072361325686411129592, −11.52611765627791324528078100774, −9.707971330735629480825278745742, −8.836027053651384999741107747022, −8.203499844021390198239163590562, −6.41547940000090852842055724284, −5.12748302862244653429947865523, −4.17459121328282793653302917306, −1.92785120546766015276106085234, −0.23211058303457400055487928195, 2.54786609751923929910705607549, 3.44484860476081351579987970721, 5.53828172783118005202655226370, 6.62643202183532143575609325941, 7.61129217988447222760787850012, 8.908278347486594212332521711345, 10.52781780887791437533400036520, 10.77856927981860004257973790983, 11.92268140272457656008882950569, 13.33091461284625245745419418150

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