Properties

Label 2-6909-1.1-c1-0-287
Degree $2$
Conductor $6909$
Sign $-1$
Analytic cond. $55.1686$
Root an. cond. $7.42755$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2·2-s − 3-s + 2·4-s + 5-s − 2·6-s + 9-s + 2·10-s + 11-s − 2·12-s + 2·13-s − 15-s − 4·16-s − 2·17-s + 2·18-s − 6·19-s + 2·20-s + 2·22-s + 3·23-s − 4·25-s + 4·26-s − 27-s + 3·29-s − 2·30-s − 2·31-s − 8·32-s − 33-s − 4·34-s + ⋯
L(s)  = 1  + 1.41·2-s − 0.577·3-s + 4-s + 0.447·5-s − 0.816·6-s + 1/3·9-s + 0.632·10-s + 0.301·11-s − 0.577·12-s + 0.554·13-s − 0.258·15-s − 16-s − 0.485·17-s + 0.471·18-s − 1.37·19-s + 0.447·20-s + 0.426·22-s + 0.625·23-s − 4/5·25-s + 0.784·26-s − 0.192·27-s + 0.557·29-s − 0.365·30-s − 0.359·31-s − 1.41·32-s − 0.174·33-s − 0.685·34-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 6909 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 6909 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(6909\)    =    \(3 \cdot 7^{2} \cdot 47\)
Sign: $-1$
Analytic conductor: \(55.1686\)
Root analytic conductor: \(7.42755\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 6909,\ (\ :1/2),\ -1)\)

Particular Values

\(L(1)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 + T \)
7 \( 1 \)
47 \( 1 - T \)
good2 \( 1 - p T + p T^{2} \)
5 \( 1 - T + p T^{2} \)
11 \( 1 - T + p T^{2} \)
13 \( 1 - 2 T + p T^{2} \)
17 \( 1 + 2 T + p T^{2} \)
19 \( 1 + 6 T + p T^{2} \)
23 \( 1 - 3 T + p T^{2} \)
29 \( 1 - 3 T + p T^{2} \)
31 \( 1 + 2 T + p T^{2} \)
37 \( 1 + 7 T + p T^{2} \)
41 \( 1 + 10 T + p T^{2} \)
43 \( 1 + 10 T + p T^{2} \)
53 \( 1 - 4 T + p T^{2} \)
59 \( 1 + 8 T + p T^{2} \)
61 \( 1 - 10 T + p T^{2} \)
67 \( 1 - 10 T + p T^{2} \)
71 \( 1 + 14 T + p T^{2} \)
73 \( 1 - 10 T + p T^{2} \)
79 \( 1 - 17 T + p T^{2} \)
83 \( 1 + 8 T + p T^{2} \)
89 \( 1 + 6 T + p T^{2} \)
97 \( 1 + T + p T^{2} \)
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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

−7.15643207980329887502214707718, −6.46427393643572557800153596855, −6.26601972151855913723573754005, −5.26847892357043316575151303157, −4.93665543394919174915106478313, −3.99784950655882501004286576008, −3.51543089827414755770668868445, −2.40030582023801117847243436493, −1.60587301327612646198388401084, 0, 1.60587301327612646198388401084, 2.40030582023801117847243436493, 3.51543089827414755770668868445, 3.99784950655882501004286576008, 4.93665543394919174915106478313, 5.26847892357043316575151303157, 6.26601972151855913723573754005, 6.46427393643572557800153596855, 7.15643207980329887502214707718

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