Properties

Label 2-2e8-4.3-c10-0-47
Degree $2$
Conductor $256$
Sign $1$
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  + 357. i·3-s + 1.63e3·5-s + 3.37e3i·7-s − 6.85e4·9-s − 2.21e5i·11-s − 3.74e5·13-s + 5.82e5i·15-s − 4.30e5·17-s + 3.03e5i·19-s − 1.20e6·21-s + 8.29e6i·23-s − 7.10e6·25-s − 3.38e6i·27-s − 3.72e7·29-s − 7.54e6i·31-s + ⋯
L(s)  = 1  + 1.46i·3-s + 0.521·5-s + 0.201i·7-s − 1.16·9-s − 1.37i·11-s − 1.00·13-s + 0.767i·15-s − 0.303·17-s + 0.122i·19-s − 0.295·21-s + 1.28i·23-s − 0.727·25-s − 0.236i·27-s − 1.81·29-s − 0.263i·31-s + ⋯

Functional equation

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

Invariants

Degree: \(2\)
Conductor: \(256\)    =    \(2^{8}\)
Sign: $1$
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: \((2,\ 256,\ (\ :5),\ 1)\)

Particular Values

\(L(\frac{11}{2})\) \(\approx\) \(1.475383840\)
\(L(\frac12)\) \(\approx\) \(1.475383840\)
\(L(6)\) 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 \( 1 - 357. iT - 5.90e4T^{2} \)
5 \( 1 - 1.63e3T + 9.76e6T^{2} \)
7 \( 1 - 3.37e3iT - 2.82e8T^{2} \)
11 \( 1 + 2.21e5iT - 2.59e10T^{2} \)
13 \( 1 + 3.74e5T + 1.37e11T^{2} \)
17 \( 1 + 4.30e5T + 2.01e12T^{2} \)
19 \( 1 - 3.03e5iT - 6.13e12T^{2} \)
23 \( 1 - 8.29e6iT - 4.14e13T^{2} \)
29 \( 1 + 3.72e7T + 4.20e14T^{2} \)
31 \( 1 + 7.54e6iT - 8.19e14T^{2} \)
37 \( 1 - 7.50e7T + 4.80e15T^{2} \)
41 \( 1 + 6.61e7T + 1.34e16T^{2} \)
43 \( 1 + 2.22e7iT - 2.16e16T^{2} \)
47 \( 1 + 1.88e8iT - 5.25e16T^{2} \)
53 \( 1 - 5.80e8T + 1.74e17T^{2} \)
59 \( 1 - 3.07e7iT - 5.11e17T^{2} \)
61 \( 1 - 5.40e8T + 7.13e17T^{2} \)
67 \( 1 - 2.14e9iT - 1.82e18T^{2} \)
71 \( 1 + 2.89e9iT - 3.25e18T^{2} \)
73 \( 1 - 3.51e9T + 4.29e18T^{2} \)
79 \( 1 + 4.62e9iT - 9.46e18T^{2} \)
83 \( 1 + 2.00e9iT - 1.55e19T^{2} \)
89 \( 1 + 5.96e9T + 3.11e19T^{2} \)
97 \( 1 + 5.56e9T + 7.37e19T^{2} \)
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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

−10.06232175275288214552235611670, −9.472018292791532161573913360605, −8.678979963780994580025736737321, −7.41140370207201901005397216859, −5.81367888681744948396843905961, −5.36154161725367810464828823727, −4.09209159685366563237427324073, −3.26714570884529310370574970156, −2.03673881334076742998662655683, −0.33600865315850883878087968623, 0.790603899515845029358129925040, 2.01405367293294878281737716561, 2.38517494236811279668731051577, 4.24663664843466620116888477239, 5.44997393870852080305686973110, 6.60940323625769389450392285698, 7.22965715217645803315306676691, 7.999921367017748905043289336968, 9.328280127048232170817917348738, 10.12993066392640800764587038470

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