Properties

Label 2-6480-1.1-c1-0-25
Degree $2$
Conductor $6480$
Sign $1$
Analytic cond. $51.7430$
Root an. cond. $7.19326$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 5-s + 4·7-s + 3·11-s − 4·13-s − 5·19-s − 6·23-s + 25-s + 9·29-s − 5·31-s − 4·35-s + 2·37-s + 9·41-s + 10·43-s − 6·47-s + 9·49-s + 12·53-s − 3·55-s + 9·59-s − 10·61-s + 4·65-s − 2·67-s + 3·71-s − 4·73-s + 12·77-s + 4·79-s + 6·83-s + 9·89-s + ⋯
L(s)  = 1  − 0.447·5-s + 1.51·7-s + 0.904·11-s − 1.10·13-s − 1.14·19-s − 1.25·23-s + 1/5·25-s + 1.67·29-s − 0.898·31-s − 0.676·35-s + 0.328·37-s + 1.40·41-s + 1.52·43-s − 0.875·47-s + 9/7·49-s + 1.64·53-s − 0.404·55-s + 1.17·59-s − 1.28·61-s + 0.496·65-s − 0.244·67-s + 0.356·71-s − 0.468·73-s + 1.36·77-s + 0.450·79-s + 0.658·83-s + 0.953·89-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 6480 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 6480 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(6480\)    =    \(2^{4} \cdot 3^{4} \cdot 5\)
Sign: $1$
Analytic conductor: \(51.7430\)
Root analytic conductor: \(7.19326\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 6480,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(2.124539789\)
\(L(\frac12)\) \(\approx\) \(2.124539789\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
3 \( 1 \)
5 \( 1 + T \)
good7 \( 1 - 4 T + p T^{2} \)
11 \( 1 - 3 T + p T^{2} \)
13 \( 1 + 4 T + p T^{2} \)
17 \( 1 + p T^{2} \)
19 \( 1 + 5 T + p T^{2} \)
23 \( 1 + 6 T + p T^{2} \)
29 \( 1 - 9 T + p T^{2} \)
31 \( 1 + 5 T + p T^{2} \)
37 \( 1 - 2 T + p T^{2} \)
41 \( 1 - 9 T + p T^{2} \)
43 \( 1 - 10 T + p T^{2} \)
47 \( 1 + 6 T + p T^{2} \)
53 \( 1 - 12 T + p T^{2} \)
59 \( 1 - 9 T + p T^{2} \)
61 \( 1 + 10 T + p T^{2} \)
67 \( 1 + 2 T + p T^{2} \)
71 \( 1 - 3 T + p T^{2} \)
73 \( 1 + 4 T + p T^{2} \)
79 \( 1 - 4 T + p T^{2} \)
83 \( 1 - 6 T + p T^{2} \)
89 \( 1 - 9 T + p T^{2} \)
97 \( 1 - 2 T + p T^{2} \)
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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

−7.85696970039743662579523892425, −7.56443444834111607428372811590, −6.63504589856883711658630800028, −5.91552438875991582051599325133, −4.97343946571293476626972025188, −4.38214856582138122355190677700, −3.90456986137893120399932831529, −2.54397296680307529609827786424, −1.89593164292308179902160059883, −0.76512959571159522590216400215, 0.76512959571159522590216400215, 1.89593164292308179902160059883, 2.54397296680307529609827786424, 3.90456986137893120399932831529, 4.38214856582138122355190677700, 4.97343946571293476626972025188, 5.91552438875991582051599325133, 6.63504589856883711658630800028, 7.56443444834111607428372811590, 7.85696970039743662579523892425

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