Properties

Label 2-1664-104.51-c0-0-7
Degree $2$
Conductor $1664$
Sign $1$
Analytic cond. $0.830444$
Root an. cond. $0.911287$
Motivic weight $0$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 1.73·3-s − 5-s + 1.73·7-s + 1.99·9-s − 13-s − 1.73·15-s − 17-s + 2.99·21-s + 1.73·27-s − 1.73·35-s + 37-s − 1.73·39-s − 1.73·43-s − 1.99·45-s − 1.73·47-s + 1.99·49-s − 1.73·51-s + 3.46·63-s + 65-s + 1.73·71-s + 0.999·81-s + 85-s − 1.73·91-s − 2.99·105-s + 109-s + 1.73·111-s − 2·113-s + ⋯
L(s)  = 1  + 1.73·3-s − 5-s + 1.73·7-s + 1.99·9-s − 13-s − 1.73·15-s − 17-s + 2.99·21-s + 1.73·27-s − 1.73·35-s + 37-s − 1.73·39-s − 1.73·43-s − 1.99·45-s − 1.73·47-s + 1.99·49-s − 1.73·51-s + 3.46·63-s + 65-s + 1.73·71-s + 0.999·81-s + 85-s − 1.73·91-s − 2.99·105-s + 109-s + 1.73·111-s − 2·113-s + ⋯

Functional equation

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

Invariants

Degree: \(2\)
Conductor: \(1664\)    =    \(2^{7} \cdot 13\)
Sign: $1$
Analytic conductor: \(0.830444\)
Root analytic conductor: \(0.911287\)
Motivic weight: \(0\)
Rational: no
Arithmetic: yes
Character: $\chi_{1664} (831, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1664,\ (\ :0),\ 1)\)

Particular Values

\(L(\frac{1}{2})\) \(\approx\) \(1.904233860\)
\(L(\frac12)\) \(\approx\) \(1.904233860\)
\(L(1)\) 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 \( 1 + T \)
good3 \( 1 - 1.73T + T^{2} \)
5 \( 1 + T + T^{2} \)
7 \( 1 - 1.73T + T^{2} \)
11 \( 1 - T^{2} \)
17 \( 1 + T + T^{2} \)
19 \( 1 - T^{2} \)
23 \( 1 - T^{2} \)
29 \( 1 - T^{2} \)
31 \( 1 + T^{2} \)
37 \( 1 - T + T^{2} \)
41 \( 1 - T^{2} \)
43 \( 1 + 1.73T + T^{2} \)
47 \( 1 + 1.73T + T^{2} \)
53 \( 1 - T^{2} \)
59 \( 1 - T^{2} \)
61 \( 1 - T^{2} \)
67 \( 1 - T^{2} \)
71 \( 1 - 1.73T + T^{2} \)
73 \( 1 - T^{2} \)
79 \( 1 - T^{2} \)
83 \( 1 - T^{2} \)
89 \( 1 - T^{2} \)
97 \( 1 - T^{2} \)
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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

−9.332612742652741536054839197525, −8.478910769101201629284581610489, −8.059630376310994089045064263628, −7.59862520452270241665063849026, −6.77296438444779334904795169474, −4.99633978173547068303588507397, −4.45459838463000046231731217637, −3.62848208229560405112842363752, −2.51689124472819253401987331093, −1.71247571744736440363434726595, 1.71247571744736440363434726595, 2.51689124472819253401987331093, 3.62848208229560405112842363752, 4.45459838463000046231731217637, 4.99633978173547068303588507397, 6.77296438444779334904795169474, 7.59862520452270241665063849026, 8.059630376310994089045064263628, 8.478910769101201629284581610489, 9.332612742652741536054839197525

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