Properties

Label 2-160-5.4-c1-0-5
Degree $2$
Conductor $160$
Sign $i$
Analytic cond. $1.27760$
Root an. cond. $1.13031$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 3.23i·3-s + 2.23·5-s + 0.763i·7-s − 7.47·9-s − 7.23i·15-s + 2.47·21-s + 5.70i·23-s + 5.00·25-s + 14.4i·27-s + 6·29-s + 1.70i·35-s − 4.47·41-s − 11.2i·43-s − 16.7·45-s + 13.7i·47-s + ⋯
L(s)  = 1  − 1.86i·3-s + 0.999·5-s + 0.288i·7-s − 2.49·9-s − 1.86i·15-s + 0.539·21-s + 1.19i·23-s + 1.00·25-s + 2.78i·27-s + 1.11·29-s + 0.288i·35-s − 0.698·41-s − 1.71i·43-s − 2.49·45-s + 1.99i·47-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 160 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & i\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 160 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & i\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(160\)    =    \(2^{5} \cdot 5\)
Sign: $i$
Analytic conductor: \(1.27760\)
Root analytic conductor: \(1.13031\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{160} (129, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 160,\ (\ :1/2),\ i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.876304 - 0.876304i\)
\(L(\frac12)\) \(\approx\) \(0.876304 - 0.876304i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
5 \( 1 - 2.23T \)
good3 \( 1 + 3.23iT - 3T^{2} \)
7 \( 1 - 0.763iT - 7T^{2} \)
11 \( 1 + 11T^{2} \)
13 \( 1 - 13T^{2} \)
17 \( 1 - 17T^{2} \)
19 \( 1 + 19T^{2} \)
23 \( 1 - 5.70iT - 23T^{2} \)
29 \( 1 - 6T + 29T^{2} \)
31 \( 1 + 31T^{2} \)
37 \( 1 - 37T^{2} \)
41 \( 1 + 4.47T + 41T^{2} \)
43 \( 1 + 11.2iT - 43T^{2} \)
47 \( 1 - 13.7iT - 47T^{2} \)
53 \( 1 - 53T^{2} \)
59 \( 1 + 59T^{2} \)
61 \( 1 + 13.4T + 61T^{2} \)
67 \( 1 + 8.18iT - 67T^{2} \)
71 \( 1 + 71T^{2} \)
73 \( 1 - 73T^{2} \)
79 \( 1 + 79T^{2} \)
83 \( 1 - 17.7iT - 83T^{2} \)
89 \( 1 + 6T + 89T^{2} \)
97 \( 1 - 97T^{2} \)
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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

−12.64281248849550552870984957719, −12.02634511974664323094929292530, −10.83802470521550071890652379357, −9.376028053791290275288534376888, −8.348622798880760706844654204351, −7.24428262020010073229159694421, −6.31002618409748606745822405705, −5.43352400992124616358714228380, −2.75334185645567540086841645499, −1.49656336476859230117027825145, 2.86185531446723818518215656358, 4.32262036432335171751972215288, 5.27231567091486983092416864152, 6.43519184526866561268525595499, 8.439039713800605599546754603685, 9.300931496355539349042987080767, 10.23370231809998942513444693926, 10.64189575891606623841671700192, 11.91169353785639270521400159309, 13.39568731903387427016449487468

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