Properties

Label 2-2e8-8.5-c11-0-29
Degree $2$
Conductor $256$
Sign $0.707 - 0.707i$
Analytic cond. $196.695$
Root an. cond. $14.0248$
Motivic weight $11$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 252i·3-s − 4.83e3i·5-s + 1.67e4·7-s + 1.13e5·9-s − 5.34e5i·11-s − 5.77e5i·13-s + 1.21e6·15-s − 6.90e6·17-s + 1.06e7i·19-s + 4.21e6i·21-s − 1.86e7·23-s + 2.54e7·25-s + 7.32e7i·27-s + 1.28e8i·29-s − 5.28e7·31-s + ⋯
L(s)  = 1  + 0.598i·3-s − 0.691i·5-s + 0.376·7-s + 0.641·9-s − 1.00i·11-s − 0.431i·13-s + 0.413·15-s − 1.17·17-s + 0.987i·19-s + 0.225i·21-s − 0.603·23-s + 0.522·25-s + 0.982i·27-s + 1.16i·29-s − 0.331·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 256 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.707 - 0.707i)\, \overline{\Lambda}(12-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 256 ^{s/2} \, \Gamma_{\C}(s+11/2) \, L(s)\cr =\mathstrut & (0.707 - 0.707i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(256\)    =    \(2^{8}\)
Sign: $0.707 - 0.707i$
Analytic conductor: \(196.695\)
Root analytic conductor: \(14.0248\)
Motivic weight: \(11\)
Rational: no
Arithmetic: yes
Character: $\chi_{256} (129, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 256,\ (\ :11/2),\ 0.707 - 0.707i)\)

Particular Values

\(L(6)\) \(\approx\) \(2.197386658\)
\(L(\frac12)\) \(\approx\) \(2.197386658\)
\(L(\frac{13}{2})\) 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 \( 1 - 252iT - 1.77e5T^{2} \)
5 \( 1 + 4.83e3iT - 4.88e7T^{2} \)
7 \( 1 - 1.67e4T + 1.97e9T^{2} \)
11 \( 1 + 5.34e5iT - 2.85e11T^{2} \)
13 \( 1 + 5.77e5iT - 1.79e12T^{2} \)
17 \( 1 + 6.90e6T + 3.42e13T^{2} \)
19 \( 1 - 1.06e7iT - 1.16e14T^{2} \)
23 \( 1 + 1.86e7T + 9.52e14T^{2} \)
29 \( 1 - 1.28e8iT - 1.22e16T^{2} \)
31 \( 1 + 5.28e7T + 2.54e16T^{2} \)
37 \( 1 - 1.82e8iT - 1.77e17T^{2} \)
41 \( 1 + 3.08e8T + 5.50e17T^{2} \)
43 \( 1 - 1.71e7iT - 9.29e17T^{2} \)
47 \( 1 - 2.68e9T + 2.47e18T^{2} \)
53 \( 1 - 1.59e9iT - 9.26e18T^{2} \)
59 \( 1 - 5.18e9iT - 3.01e19T^{2} \)
61 \( 1 - 6.95e9iT - 4.35e19T^{2} \)
67 \( 1 + 1.54e10iT - 1.22e20T^{2} \)
71 \( 1 + 9.79e9T + 2.31e20T^{2} \)
73 \( 1 + 1.46e9T + 3.13e20T^{2} \)
79 \( 1 - 3.81e10T + 7.47e20T^{2} \)
83 \( 1 + 2.93e10iT - 1.28e21T^{2} \)
89 \( 1 - 2.49e10T + 2.77e21T^{2} \)
97 \( 1 - 7.50e10T + 7.15e21T^{2} \)
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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

−10.32394876768805268643001915499, −9.110651470307590233323603198794, −8.521439484605351261879212200072, −7.41975118486474722585633121860, −6.12288393029425129222884992473, −5.09617586295505686955744056456, −4.27481368932643670188059330801, −3.27673451371320770854529727683, −1.77606892777127041953409347500, −0.795404227159861550504585360639, 0.49747825090964987213239593180, 1.85703657132688955076378683499, 2.42238912355134045656027474980, 4.02216309695980623188817407932, 4.85337946903035835533733557232, 6.42331077006785696948417421072, 6.99565904177631937222669027263, 7.79033683178480988145693039390, 9.035918656374600845697955894721, 10.00377301217573836702793710041

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