Properties

Label 2-1664-8.5-c1-0-15
Degree $2$
Conductor $1664$
Sign $0.707 - 0.707i$
Analytic cond. $13.2871$
Root an. cond. $3.64514$
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  + 2i·5-s − 4.24·7-s + 3·9-s − 4.24i·11-s i·13-s + 4·17-s + 4.24i·19-s + 25-s − 2i·29-s + 4.24·31-s − 8.48i·35-s + 6i·37-s − 2·41-s + 8.48i·43-s + 6i·45-s + ⋯
L(s)  = 1  + 0.894i·5-s − 1.60·7-s + 9-s − 1.27i·11-s − 0.277i·13-s + 0.970·17-s + 0.973i·19-s + 0.200·25-s − 0.371i·29-s + 0.762·31-s − 1.43i·35-s + 0.986i·37-s − 0.312·41-s + 1.29i·43-s + 0.894i·45-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1664 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.707 - 0.707i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1664 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.707 - 0.707i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1664\)    =    \(2^{7} \cdot 13\)
Sign: $0.707 - 0.707i$
Analytic conductor: \(13.2871\)
Root analytic conductor: \(3.64514\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{1664} (833, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1664,\ (\ :1/2),\ 0.707 - 0.707i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.480835460\)
\(L(\frac12)\) \(\approx\) \(1.480835460\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
13 \( 1 + iT \)
good3 \( 1 - 3T^{2} \)
5 \( 1 - 2iT - 5T^{2} \)
7 \( 1 + 4.24T + 7T^{2} \)
11 \( 1 + 4.24iT - 11T^{2} \)
17 \( 1 - 4T + 17T^{2} \)
19 \( 1 - 4.24iT - 19T^{2} \)
23 \( 1 + 23T^{2} \)
29 \( 1 + 2iT - 29T^{2} \)
31 \( 1 - 4.24T + 31T^{2} \)
37 \( 1 - 6iT - 37T^{2} \)
41 \( 1 + 2T + 41T^{2} \)
43 \( 1 - 8.48iT - 43T^{2} \)
47 \( 1 - 12.7T + 47T^{2} \)
53 \( 1 - 8iT - 53T^{2} \)
59 \( 1 - 4.24iT - 59T^{2} \)
61 \( 1 - 61T^{2} \)
67 \( 1 - 4.24iT - 67T^{2} \)
71 \( 1 + 4.24T + 71T^{2} \)
73 \( 1 + 6T + 73T^{2} \)
79 \( 1 + 8.48T + 79T^{2} \)
83 \( 1 - 12.7iT - 83T^{2} \)
89 \( 1 + 10T + 89T^{2} \)
97 \( 1 - 18T + 97T^{2} \)
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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

−9.733548647403556288003391945072, −8.706104461463539807303592850178, −7.74134752980582245354121903439, −7.00177847821925514379884772079, −6.20360738934172181959288944086, −5.76173204259112309199558448335, −4.22291253318670711835678525572, −3.29394274068669346173671914314, −2.84995445571011989286205007998, −1.02421974642560016056953714681, 0.72632800510195580356645562087, 2.09033972609824944502991616649, 3.35718497285526214946854238863, 4.30246165220481785405691954981, 5.02727162060997566780395037111, 6.08178654570327375627459569565, 7.08152485267834674868686822925, 7.34071734221558925607189572278, 8.759268014159585718278129866737, 9.284753817202094820022056387526

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