Properties

Label 2-21780-1.1-c1-0-17
Degree $2$
Conductor $21780$
Sign $-1$
Analytic cond. $173.914$
Root an. cond. $13.1876$
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  + 5-s − 3·7-s + 2·13-s + 2·17-s − 19-s + 2·23-s + 25-s − 8·29-s + 5·31-s − 3·35-s − 11·37-s + 6·41-s + 8·43-s − 8·47-s + 2·49-s − 2·53-s − 4·59-s + 3·61-s + 2·65-s − 9·67-s + 6·71-s + 11·73-s + 9·79-s + 8·83-s + 2·85-s − 6·89-s − 6·91-s + ⋯
L(s)  = 1  + 0.447·5-s − 1.13·7-s + 0.554·13-s + 0.485·17-s − 0.229·19-s + 0.417·23-s + 1/5·25-s − 1.48·29-s + 0.898·31-s − 0.507·35-s − 1.80·37-s + 0.937·41-s + 1.21·43-s − 1.16·47-s + 2/7·49-s − 0.274·53-s − 0.520·59-s + 0.384·61-s + 0.248·65-s − 1.09·67-s + 0.712·71-s + 1.28·73-s + 1.01·79-s + 0.878·83-s + 0.216·85-s − 0.635·89-s − 0.628·91-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 21780 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 21780 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(21780\)    =    \(2^{2} \cdot 3^{2} \cdot 5 \cdot 11^{2}\)
Sign: $-1$
Analytic conductor: \(173.914\)
Root analytic conductor: \(13.1876\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 21780,\ (\ :1/2),\ -1)\)

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)$
bad2 \( 1 \)
3 \( 1 \)
5 \( 1 - T \)
11 \( 1 \)
good7 \( 1 + 3 T + p T^{2} \)
13 \( 1 - 2 T + p T^{2} \)
17 \( 1 - 2 T + p T^{2} \)
19 \( 1 + T + p T^{2} \)
23 \( 1 - 2 T + p T^{2} \)
29 \( 1 + 8 T + p T^{2} \)
31 \( 1 - 5 T + p T^{2} \)
37 \( 1 + 11 T + p T^{2} \)
41 \( 1 - 6 T + p T^{2} \)
43 \( 1 - 8 T + p T^{2} \)
47 \( 1 + 8 T + p T^{2} \)
53 \( 1 + 2 T + p T^{2} \)
59 \( 1 + 4 T + p T^{2} \)
61 \( 1 - 3 T + p T^{2} \)
67 \( 1 + 9 T + p T^{2} \)
71 \( 1 - 6 T + p T^{2} \)
73 \( 1 - 11 T + p T^{2} \)
79 \( 1 - 9 T + p T^{2} \)
83 \( 1 - 8 T + p T^{2} \)
89 \( 1 + 6 T + p T^{2} \)
97 \( 1 - 7 T + p T^{2} \)
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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

−15.94649314634645, −15.24125222512358, −14.85300546471676, −13.96556967055755, −13.75571913347793, −13.04499788916545, −12.62740561224472, −12.20276501489825, −11.35076521138479, −10.83152897615475, −10.30605891935418, −9.625072192520044, −9.297862249217206, −8.699718752813659, −7.943465698998573, −7.333199831726145, −6.570558669257963, −6.254407166322172, −5.540556969722149, −4.975696010210936, −3.982805970501062, −3.464846193951560, −2.810375204295224, −1.967194898074376, −1.069123508528895, 0, 1.069123508528895, 1.967194898074376, 2.810375204295224, 3.464846193951560, 3.982805970501062, 4.975696010210936, 5.540556969722149, 6.254407166322172, 6.570558669257963, 7.333199831726145, 7.943465698998573, 8.699718752813659, 9.297862249217206, 9.625072192520044, 10.30605891935418, 10.83152897615475, 11.35076521138479, 12.20276501489825, 12.62740561224472, 13.04499788916545, 13.75571913347793, 13.96556967055755, 14.85300546471676, 15.24125222512358, 15.94649314634645

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