Properties

Label 2-480-120.29-c2-0-25
Degree $2$
Conductor $480$
Sign $1$
Analytic cond. $13.0790$
Root an. cond. $3.61649$
Motivic weight $2$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 3·3-s − 5·5-s + 9·9-s − 2·11-s + 14·13-s − 15·15-s + 26·17-s − 14·23-s + 25·25-s + 27·27-s + 38·29-s + 58·31-s − 6·33-s − 34·37-s + 42·39-s − 74·43-s − 45·45-s + 34·47-s + 49·49-s + 78·51-s + 10·55-s − 98·59-s − 70·65-s − 26·67-s − 42·69-s + 75·75-s − 38·79-s + ⋯
L(s)  = 1  + 3-s − 5-s + 9-s − 0.181·11-s + 1.07·13-s − 15-s + 1.52·17-s − 0.608·23-s + 25-s + 27-s + 1.31·29-s + 1.87·31-s − 0.181·33-s − 0.918·37-s + 1.07·39-s − 1.72·43-s − 45-s + 0.723·47-s + 49-s + 1.52·51-s + 2/11·55-s − 1.66·59-s − 1.07·65-s − 0.388·67-s − 0.608·69-s + 75-s − 0.481·79-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 480 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 480 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(480\)    =    \(2^{5} \cdot 3 \cdot 5\)
Sign: $1$
Analytic conductor: \(13.0790\)
Root analytic conductor: \(3.61649\)
Motivic weight: \(2\)
Rational: yes
Arithmetic: yes
Character: $\chi_{480} (209, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 480,\ (\ :1),\ 1)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(2.295905968\)
\(L(\frac12)\) \(\approx\) \(2.295905968\)
\(L(2)\) 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 \( 1 - p T \)
5 \( 1 + p T \)
good7 \( ( 1 - p T )( 1 + p T ) \)
11 \( 1 + 2 T + p^{2} T^{2} \)
13 \( 1 - 14 T + p^{2} T^{2} \)
17 \( 1 - 26 T + p^{2} T^{2} \)
19 \( ( 1 - p T )( 1 + p T ) \)
23 \( 1 + 14 T + p^{2} T^{2} \)
29 \( 1 - 38 T + p^{2} T^{2} \)
31 \( 1 - 58 T + p^{2} T^{2} \)
37 \( 1 + 34 T + p^{2} T^{2} \)
41 \( ( 1 - p T )( 1 + p T ) \)
43 \( 1 + 74 T + p^{2} T^{2} \)
47 \( 1 - 34 T + p^{2} T^{2} \)
53 \( ( 1 - p T )( 1 + p T ) \)
59 \( 1 + 98 T + p^{2} T^{2} \)
61 \( ( 1 - p T )( 1 + p T ) \)
67 \( 1 + 26 T + p^{2} T^{2} \)
71 \( ( 1 - p T )( 1 + p T ) \)
73 \( ( 1 - p T )( 1 + p T ) \)
79 \( 1 + 38 T + p^{2} T^{2} \)
83 \( ( 1 - p T )( 1 + p T ) \)
89 \( ( 1 - p T )( 1 + p T ) \)
97 \( ( 1 - p T )( 1 + p T ) \)
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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

−10.58187397486227512261130966319, −9.957102428943649857408336699973, −8.656477037431087848859219155829, −8.208146204477692914817212671585, −7.39829897577215458151536258345, −6.29514927400575730529465741414, −4.78031254155152240190851649084, −3.73088082099417128555400558610, −2.94455336575366994294748128384, −1.16795928830741876057529427343, 1.16795928830741876057529427343, 2.94455336575366994294748128384, 3.73088082099417128555400558610, 4.78031254155152240190851649084, 6.29514927400575730529465741414, 7.39829897577215458151536258345, 8.208146204477692914817212671585, 8.656477037431087848859219155829, 9.957102428943649857408336699973, 10.58187397486227512261130966319

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