Properties

Label 2-1664-8.5-c1-0-32
Degree $2$
Conductor $1664$
Sign $i$
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  − 0.611i·3-s + 1.62i·5-s − 3.10·7-s + 2.62·9-s − 5.31i·11-s + i·13-s + 0.994·15-s − 1.89·17-s + 0.885i·19-s + 1.89i·21-s + 1.22·23-s + 2.35·25-s − 3.43i·27-s + 2i·29-s − 3.71·31-s + ⋯
L(s)  = 1  − 0.352i·3-s + 0.727i·5-s − 1.17·7-s + 0.875·9-s − 1.60i·11-s + 0.277i·13-s + 0.256·15-s − 0.460·17-s + 0.203i·19-s + 0.413i·21-s + 0.254·23-s + 0.471·25-s − 0.661i·27-s + 0.371i·29-s − 0.667·31-s + ⋯

Functional equation

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

Invariants

Degree: \(2\)
Conductor: \(1664\)    =    \(2^{7} \cdot 13\)
Sign: $i$
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: \((2,\ 1664,\ (\ :1/2),\ i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.177720396\)
\(L(\frac12)\) \(\approx\) \(1.177720396\)
\(L(\frac{3}{2})\) 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 \( 1 + 0.611iT - 3T^{2} \)
5 \( 1 - 1.62iT - 5T^{2} \)
7 \( 1 + 3.10T + 7T^{2} \)
11 \( 1 + 5.31iT - 11T^{2} \)
17 \( 1 + 1.89T + 17T^{2} \)
19 \( 1 - 0.885iT - 19T^{2} \)
23 \( 1 - 1.22T + 23T^{2} \)
29 \( 1 - 2iT - 29T^{2} \)
31 \( 1 + 3.71T + 31T^{2} \)
37 \( 1 + 11.1iT - 37T^{2} \)
41 \( 1 + 5.79T + 41T^{2} \)
43 \( 1 + 3.43iT - 43T^{2} \)
47 \( 1 - 0.274T + 47T^{2} \)
53 \( 1 + 7.79iT - 53T^{2} \)
59 \( 1 + 1.55iT - 59T^{2} \)
61 \( 1 + 7.04iT - 61T^{2} \)
67 \( 1 + 12.7iT - 67T^{2} \)
71 \( 1 - 8.08T + 71T^{2} \)
73 \( 1 - 16.2T + 73T^{2} \)
79 \( 1 - 9.41T + 79T^{2} \)
83 \( 1 + 10.9iT - 83T^{2} \)
89 \( 1 + 5.25T + 89T^{2} \)
97 \( 1 + 8.50T + 97T^{2} \)
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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

−9.213773987391983728852529518839, −8.402519389876487429708666140523, −7.37272233995363340597252071206, −6.67804491199551521010616887613, −6.24103185771527089784435327603, −5.18310046478905900127216319065, −3.75116060241886287771251299473, −3.27964945092364165152786255033, −2.07518312649043827953340636480, −0.47587281748712482523709718978, 1.29870386067019087911142881534, 2.61180617102227761180491452153, 3.81233516552938289793086496374, 4.60068437689917298588959993927, 5.24250145663347430163459407214, 6.59041637577299919838050528591, 6.98372865832344135354321781756, 7.992582453453163877610791568920, 9.015934554132983029002695712679, 9.657139995092313728210401397617

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