Properties

Label 2-3e2-1.1-c15-0-4
Degree $2$
Conductor $9$
Sign $-1$
Analytic cond. $12.8424$
Root an. cond. $3.58363$
Motivic weight $15$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 72·2-s − 2.75e4·4-s + 2.21e5·5-s − 2.14e6·7-s − 4.34e6·8-s + 1.59e7·10-s − 3.71e7·11-s − 2.79e8·13-s − 1.54e8·14-s + 5.91e8·16-s − 2.49e9·17-s − 4.66e9·19-s − 6.10e9·20-s − 2.67e9·22-s + 1.84e10·23-s + 1.85e10·25-s − 2.01e10·26-s + 5.92e10·28-s + 1.15e11·29-s − 5.61e10·31-s + 1.84e11·32-s − 1.79e11·34-s − 4.75e11·35-s + 6.14e11·37-s − 3.36e11·38-s − 9.62e11·40-s − 5.49e11·41-s + ⋯
L(s)  = 1  + 0.397·2-s − 0.841·4-s + 1.26·5-s − 0.986·7-s − 0.732·8-s + 0.504·10-s − 0.575·11-s − 1.23·13-s − 0.392·14-s + 0.550·16-s − 1.47·17-s − 1.19·19-s − 1.06·20-s − 0.228·22-s + 1.13·23-s + 0.607·25-s − 0.492·26-s + 0.830·28-s + 1.24·29-s − 0.366·31-s + 0.951·32-s − 0.586·34-s − 1.25·35-s + 1.06·37-s − 0.476·38-s − 0.928·40-s − 0.440·41-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 9 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(16-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 9 ^{s/2} \, \Gamma_{\C}(s+15/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(9\)    =    \(3^{2}\)
Sign: $-1$
Analytic conductor: \(12.8424\)
Root analytic conductor: \(3.58363\)
Motivic weight: \(15\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 9,\ (\ :15/2),\ -1)\)

Particular Values

\(L(8)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{17}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 \)
good2 \( 1 - 9 p^{3} T + p^{15} T^{2} \)
5 \( 1 - 44298 p T + p^{15} T^{2} \)
7 \( 1 + 307000 p T + p^{15} T^{2} \)
11 \( 1 + 37169316 T + p^{15} T^{2} \)
13 \( 1 + 21536482 p T + p^{15} T^{2} \)
17 \( 1 + 2492912754 T + p^{15} T^{2} \)
19 \( 1 + 4669782244 T + p^{15} T^{2} \)
23 \( 1 - 18467933400 T + p^{15} T^{2} \)
29 \( 1 - 115953449418 T + p^{15} T^{2} \)
31 \( 1 + 56187023200 T + p^{15} T^{2} \)
37 \( 1 - 614764926830 T + p^{15} T^{2} \)
41 \( 1 + 549859792410 T + p^{15} T^{2} \)
43 \( 1 + 982884444028 T + p^{15} T^{2} \)
47 \( 1 + 2076144322896 T + p^{15} T^{2} \)
53 \( 1 - 12048378188130 T + p^{15} T^{2} \)
59 \( 1 + 23087905758324 T + p^{15} T^{2} \)
61 \( 1 + 8505809142442 T + p^{15} T^{2} \)
67 \( 1 + 12331010771476 T + p^{15} T^{2} \)
71 \( 1 + 58989192692472 T + p^{15} T^{2} \)
73 \( 1 + 5609828808070 T + p^{15} T^{2} \)
79 \( 1 - 159918683826800 T + p^{15} T^{2} \)
83 \( 1 + 57675894342876 T + p^{15} T^{2} \)
89 \( 1 - 362287610413974 T + p^{15} T^{2} \)
97 \( 1 + 539786645144926 T + p^{15} T^{2} \)
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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

−16.99984680014534843699969035970, −14.99927171164755678727077206534, −13.49112175253532971202930733528, −12.78046783673710631410236291931, −10.16206497294387033133027622092, −9.036928043013678397623611950516, −6.39339802751720463839740997055, −4.81782426540620200811285083493, −2.59551315533135264211852882595, 0, 2.59551315533135264211852882595, 4.81782426540620200811285083493, 6.39339802751720463839740997055, 9.036928043013678397623611950516, 10.16206497294387033133027622092, 12.78046783673710631410236291931, 13.49112175253532971202930733528, 14.99927171164755678727077206534, 16.99984680014534843699969035970

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