Properties

Label 2-2e8-4.3-c10-0-2
Degree $2$
Conductor $256$
Sign $i$
Analytic cond. $162.651$
Root an. cond. $12.7534$
Motivic weight $10$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 352. i·3-s − 3.77e3·5-s − 1.56e4i·7-s − 6.49e4·9-s + 1.15e5i·11-s + 5.46e5·13-s − 1.32e6i·15-s − 1.50e6·17-s + 3.45e6i·19-s + 5.49e6·21-s + 3.90e6i·23-s + 4.47e6·25-s − 2.06e6i·27-s − 1.57e7·29-s + 1.36e7i·31-s + ⋯
L(s)  = 1  + 1.44i·3-s − 1.20·5-s − 0.929i·7-s − 1.09·9-s + 0.715i·11-s + 1.47·13-s − 1.74i·15-s − 1.05·17-s + 1.39i·19-s + 1.34·21-s + 0.607i·23-s + 0.458·25-s − 0.144i·27-s − 0.767·29-s + 0.476i·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 256 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & i\, \overline{\Lambda}(11-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 256 ^{s/2} \, \Gamma_{\C}(s+5) \, L(s)\cr =\mathstrut & i\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(256\)    =    \(2^{8}\)
Sign: $i$
Analytic conductor: \(162.651\)
Root analytic conductor: \(12.7534\)
Motivic weight: \(10\)
Rational: no
Arithmetic: yes
Character: $\chi_{256} (255, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 256,\ (\ :5),\ i)\)

Particular Values

\(L(\frac{11}{2})\) \(\approx\) \(0.2763707702\)
\(L(\frac12)\) \(\approx\) \(0.2763707702\)
\(L(6)\) 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 \( 1 - 352. iT - 5.90e4T^{2} \)
5 \( 1 + 3.77e3T + 9.76e6T^{2} \)
7 \( 1 + 1.56e4iT - 2.82e8T^{2} \)
11 \( 1 - 1.15e5iT - 2.59e10T^{2} \)
13 \( 1 - 5.46e5T + 1.37e11T^{2} \)
17 \( 1 + 1.50e6T + 2.01e12T^{2} \)
19 \( 1 - 3.45e6iT - 6.13e12T^{2} \)
23 \( 1 - 3.90e6iT - 4.14e13T^{2} \)
29 \( 1 + 1.57e7T + 4.20e14T^{2} \)
31 \( 1 - 1.36e7iT - 8.19e14T^{2} \)
37 \( 1 - 7.96e7T + 4.80e15T^{2} \)
41 \( 1 - 1.01e7T + 1.34e16T^{2} \)
43 \( 1 + 4.09e7iT - 2.16e16T^{2} \)
47 \( 1 - 2.36e8iT - 5.25e16T^{2} \)
53 \( 1 + 3.09e8T + 1.74e17T^{2} \)
59 \( 1 - 6.26e7iT - 5.11e17T^{2} \)
61 \( 1 + 1.02e9T + 7.13e17T^{2} \)
67 \( 1 - 6.25e8iT - 1.82e18T^{2} \)
71 \( 1 - 2.05e9iT - 3.25e18T^{2} \)
73 \( 1 + 2.44e9T + 4.29e18T^{2} \)
79 \( 1 + 3.04e9iT - 9.46e18T^{2} \)
83 \( 1 - 2.75e9iT - 1.55e19T^{2} \)
89 \( 1 + 2.51e8T + 3.11e19T^{2} \)
97 \( 1 + 1.56e10T + 7.37e19T^{2} \)
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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

−10.93196723562030883156263434501, −10.12884734697639363479217012964, −9.158215580886606313354401729987, −8.150952874088808765987719682040, −7.25178260260221918575608743313, −5.89088417194186990505849165478, −4.43081441744016231910201354393, −4.06356314071163213305952427361, −3.32966614621039994372993873170, −1.39186111795923367554638599294, 0.06992137954037548468420830535, 0.820755056606584775498429531149, 2.07619506616811580338744048504, 3.10170105796457363034693858925, 4.36031369076305403700785542429, 5.89882551368782298822443482931, 6.60582212184768765016359483499, 7.62479411891386249633368079180, 8.452780020288846801095593173395, 9.006912053410853832482244192084

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