Properties

Label 2-2e8-4.3-c10-0-27
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  − 121. i·3-s − 2.68e3·5-s + 3.02e4i·7-s + 4.42e4·9-s + 3.31e4i·11-s − 5.10e5·13-s + 3.27e5i·15-s − 2.64e6·17-s − 3.77e6i·19-s + 3.68e6·21-s − 6.21e6i·23-s − 2.53e6·25-s − 1.25e7i·27-s + 3.22e7·29-s + 1.24e7i·31-s + ⋯
L(s)  = 1  − 0.500i·3-s − 0.860·5-s + 1.80i·7-s + 0.749·9-s + 0.205i·11-s − 1.37·13-s + 0.430i·15-s − 1.86·17-s − 1.52i·19-s + 0.901·21-s − 0.966i·23-s − 0.259·25-s − 0.875i·27-s + 1.57·29-s + 0.436i·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

\(L(\frac{11}{2})\) \(\approx\) \(1.067368933\)
\(L(\frac12)\) \(\approx\) \(1.067368933\)
\(L(6)\) 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 \( 1 + 121. iT - 5.90e4T^{2} \)
5 \( 1 + 2.68e3T + 9.76e6T^{2} \)
7 \( 1 - 3.02e4iT - 2.82e8T^{2} \)
11 \( 1 - 3.31e4iT - 2.59e10T^{2} \)
13 \( 1 + 5.10e5T + 1.37e11T^{2} \)
17 \( 1 + 2.64e6T + 2.01e12T^{2} \)
19 \( 1 + 3.77e6iT - 6.13e12T^{2} \)
23 \( 1 + 6.21e6iT - 4.14e13T^{2} \)
29 \( 1 - 3.22e7T + 4.20e14T^{2} \)
31 \( 1 - 1.24e7iT - 8.19e14T^{2} \)
37 \( 1 + 6.65e7T + 4.80e15T^{2} \)
41 \( 1 + 9.97e6T + 1.34e16T^{2} \)
43 \( 1 + 2.31e8iT - 2.16e16T^{2} \)
47 \( 1 + 4.86e7iT - 5.25e16T^{2} \)
53 \( 1 - 1.33e8T + 1.74e17T^{2} \)
59 \( 1 - 8.52e8iT - 5.11e17T^{2} \)
61 \( 1 - 4.10e8T + 7.13e17T^{2} \)
67 \( 1 - 1.27e9iT - 1.82e18T^{2} \)
71 \( 1 - 1.06e8iT - 3.25e18T^{2} \)
73 \( 1 + 3.60e8T + 4.29e18T^{2} \)
79 \( 1 - 2.41e9iT - 9.46e18T^{2} \)
83 \( 1 - 2.05e9iT - 1.55e19T^{2} \)
89 \( 1 - 6.58e9T + 3.11e19T^{2} \)
97 \( 1 + 1.54e9T + 7.37e19T^{2} \)
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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

−10.23346748678158954019975218391, −9.000360977382895468782626882563, −8.476316072956508565992536194019, −7.15781486062538381791338301123, −6.60809486464495152777236847640, −5.08676175583002466280785035581, −4.37950769478567145917622059082, −2.60410409989816753200682448184, −2.16707325241761906657590958376, −0.43002371051675145998083168239, 0.44713114050546916880578092637, 1.70367377765677451221630659932, 3.41510790772822219684175596866, 4.23145709610012655674213116871, 4.74841919342953070924098393274, 6.59748633120438827044829943727, 7.39579824282011493787734326763, 8.073219040141072518718455849205, 9.580963031570972605230617090843, 10.25202278110767029723441490576

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