Properties

Degree 2
Conductor $ 2^{6} \cdot 3 \cdot 7^{2} $
Sign $1$
Motivic weight 1
Primitive yes
Self-dual yes
Analytic rank 0

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 3-s + 3.27·5-s + 9-s + 3.27·11-s + 6.27·13-s + 3.27·15-s + 4·17-s + 6.27·19-s − 4·23-s + 5.72·25-s + 27-s − 5.27·29-s − 31-s + 3.27·33-s + 2.27·37-s + 6.27·39-s + 4.54·41-s + 0.274·43-s + 3.27·45-s − 6·47-s + 4·51-s − 9.27·53-s + 10.7·55-s + 6.27·57-s + 1.27·59-s + 10·61-s + 20.5·65-s + ⋯
L(s)  = 1  + 0.577·3-s + 1.46·5-s + 0.333·9-s + 0.987·11-s + 1.74·13-s + 0.845·15-s + 0.970·17-s + 1.43·19-s − 0.834·23-s + 1.14·25-s + 0.192·27-s − 0.979·29-s − 0.179·31-s + 0.570·33-s + 0.373·37-s + 1.00·39-s + 0.710·41-s + 0.0419·43-s + 0.488·45-s − 0.875·47-s + 0.560·51-s − 1.27·53-s + 1.44·55-s + 0.831·57-s + 0.165·59-s + 1.28·61-s + 2.54·65-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 9408 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 9408 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

\( d \)  =  \(2\)
\( N \)  =  \(9408\)    =    \(2^{6} \cdot 3 \cdot 7^{2}\)
\( \varepsilon \)  =  $1$
motivic weight  =  \(1\)
character  :  $\chi_{9408} (1, \cdot )$
primitive  :  yes
self-dual  :  yes
analytic rank  =  \(0\)
Selberg data  =  \((2,\ 9408,\ (\ :1/2),\ 1)\)
\(L(1)\)  \(\approx\)  \(4.777999255\)
\(L(\frac12)\)  \(\approx\)  \(4.777999255\)
\(L(\frac{3}{2})\)   not available
\(L(1)\)   not available

Euler product

\[L(s) = \prod_{p \text{ prime}} F_p(p^{-s})^{-1} \]where, for $p \notin \{2,\;3,\;7\}$,\[F_p(T) = 1 - a_p T + p T^2 .\]If $p \in \{2,\;3,\;7\}$, then $F_p(T)$ is a polynomial of degree at most 1.
$p$$F_p(T)$
bad2 \( 1 \)
3 \( 1 - T \)
7 \( 1 \)
good5 \( 1 - 3.27T + 5T^{2} \)
11 \( 1 - 3.27T + 11T^{2} \)
13 \( 1 - 6.27T + 13T^{2} \)
17 \( 1 - 4T + 17T^{2} \)
19 \( 1 - 6.27T + 19T^{2} \)
23 \( 1 + 4T + 23T^{2} \)
29 \( 1 + 5.27T + 29T^{2} \)
31 \( 1 + T + 31T^{2} \)
37 \( 1 - 2.27T + 37T^{2} \)
41 \( 1 - 4.54T + 41T^{2} \)
43 \( 1 - 0.274T + 43T^{2} \)
47 \( 1 + 6T + 47T^{2} \)
53 \( 1 + 9.27T + 53T^{2} \)
59 \( 1 - 1.27T + 59T^{2} \)
61 \( 1 - 10T + 61T^{2} \)
67 \( 1 + 0.274T + 67T^{2} \)
71 \( 1 + 2T + 71T^{2} \)
73 \( 1 - 4.27T + 73T^{2} \)
79 \( 1 + 11.5T + 79T^{2} \)
83 \( 1 + 7.27T + 83T^{2} \)
89 \( 1 - 10.5T + 89T^{2} \)
97 \( 1 + 8.72T + 97T^{2} \)
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\[\begin{aligned}L(s) = \prod_p \ \prod_{j=1}^{2} (1 - \alpha_{j,p}\, p^{-s})^{-1}\end{aligned}\]

Imaginary part of the first few zeros on the critical line

−7.78546389321774570622934108798, −6.95621636252800728840117544468, −6.16558196221561908186818163321, −5.83001653228119178099327362070, −5.12059658861500574693347513736, −3.93086943317071729466534733037, −3.49637120109633175953042406164, −2.59005218274863187740554258115, −1.50600873601220140179452411503, −1.25437849021219092957949724187, 1.25437849021219092957949724187, 1.50600873601220140179452411503, 2.59005218274863187740554258115, 3.49637120109633175953042406164, 3.93086943317071729466534733037, 5.12059658861500574693347513736, 5.83001653228119178099327362070, 6.16558196221561908186818163321, 6.95621636252800728840117544468, 7.78546389321774570622934108798

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