Properties

Label 2-138-1.1-c7-0-18
Degree $2$
Conductor $138$
Sign $-1$
Analytic cond. $43.1091$
Root an. cond. $6.56575$
Motivic weight $7$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 8·2-s − 27·3-s + 64·4-s + 458.·5-s + 216·6-s − 283.·7-s − 512·8-s + 729·9-s − 3.66e3·10-s − 2.81e3·11-s − 1.72e3·12-s − 467.·13-s + 2.27e3·14-s − 1.23e4·15-s + 4.09e3·16-s − 6.78e3·17-s − 5.83e3·18-s − 5.10e4·19-s + 2.93e4·20-s + 7.66e3·21-s + 2.25e4·22-s + 1.21e4·23-s + 1.38e4·24-s + 1.32e5·25-s + 3.73e3·26-s − 1.96e4·27-s − 1.81e4·28-s + ⋯
L(s)  = 1  − 0.707·2-s − 0.577·3-s + 0.5·4-s + 1.64·5-s + 0.408·6-s − 0.312·7-s − 0.353·8-s + 0.333·9-s − 1.16·10-s − 0.638·11-s − 0.288·12-s − 0.0589·13-s + 0.221·14-s − 0.947·15-s + 0.250·16-s − 0.334·17-s − 0.235·18-s − 1.70·19-s + 0.820·20-s + 0.180·21-s + 0.451·22-s + 0.208·23-s + 0.204·24-s + 1.69·25-s + 0.0417·26-s − 0.192·27-s − 0.156·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 138 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(8-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 138 ^{s/2} \, \Gamma_{\C}(s+7/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(138\)    =    \(2 \cdot 3 \cdot 23\)
Sign: $-1$
Analytic conductor: \(43.1091\)
Root analytic conductor: \(6.56575\)
Motivic weight: \(7\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 138,\ (\ :7/2),\ -1)\)

Particular Values

\(L(4)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{9}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + 8T \)
3 \( 1 + 27T \)
23 \( 1 - 1.21e4T \)
good5 \( 1 - 458.T + 7.81e4T^{2} \)
7 \( 1 + 283.T + 8.23e5T^{2} \)
11 \( 1 + 2.81e3T + 1.94e7T^{2} \)
13 \( 1 + 467.T + 6.27e7T^{2} \)
17 \( 1 + 6.78e3T + 4.10e8T^{2} \)
19 \( 1 + 5.10e4T + 8.93e8T^{2} \)
29 \( 1 - 2.17e5T + 1.72e10T^{2} \)
31 \( 1 + 3.07e3T + 2.75e10T^{2} \)
37 \( 1 + 2.51e5T + 9.49e10T^{2} \)
41 \( 1 - 1.24e5T + 1.94e11T^{2} \)
43 \( 1 + 1.20e5T + 2.71e11T^{2} \)
47 \( 1 + 6.02e4T + 5.06e11T^{2} \)
53 \( 1 + 1.93e6T + 1.17e12T^{2} \)
59 \( 1 + 2.19e6T + 2.48e12T^{2} \)
61 \( 1 - 1.24e6T + 3.14e12T^{2} \)
67 \( 1 + 2.54e4T + 6.06e12T^{2} \)
71 \( 1 + 2.73e6T + 9.09e12T^{2} \)
73 \( 1 - 1.17e6T + 1.10e13T^{2} \)
79 \( 1 - 5.12e6T + 1.92e13T^{2} \)
83 \( 1 + 5.08e6T + 2.71e13T^{2} \)
89 \( 1 + 7.45e6T + 4.42e13T^{2} \)
97 \( 1 - 8.22e6T + 8.07e13T^{2} \)
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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

−10.89039273621200203408261336117, −10.29856396541775290926016550349, −9.440461200216178035016359822696, −8.356176297516385650796882165630, −6.71135832081796534180794397414, −6.10193439101673276576662346290, −4.86899363091464727003716435773, −2.65032817347850084027935859613, −1.55465108699675397321536164138, 0, 1.55465108699675397321536164138, 2.65032817347850084027935859613, 4.86899363091464727003716435773, 6.10193439101673276576662346290, 6.71135832081796534180794397414, 8.356176297516385650796882165630, 9.440461200216178035016359822696, 10.29856396541775290926016550349, 10.89039273621200203408261336117

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