Properties

Label 2-3-1.1-c31-0-4
Degree $2$
Conductor $3$
Sign $-1$
Analytic cond. $18.2631$
Root an. cond. $4.27353$
Motivic weight $31$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2.09e4·2-s + 1.43e7·3-s − 1.70e9·4-s + 4.40e10·5-s + 3.00e11·6-s − 1.09e13·7-s − 8.07e13·8-s + 2.05e14·9-s + 9.22e14·10-s − 1.20e16·11-s − 2.45e16·12-s + 6.41e16·13-s − 2.29e17·14-s + 6.32e17·15-s + 1.98e18·16-s − 1.57e19·17-s + 4.30e18·18-s − 1.01e20·19-s − 7.53e19·20-s − 1.57e20·21-s − 2.52e20·22-s − 1.16e21·23-s − 1.15e21·24-s − 2.71e21·25-s + 1.34e21·26-s + 2.95e21·27-s + 1.87e22·28-s + ⋯
L(s)  = 1  + 0.451·2-s + 0.577·3-s − 0.795·4-s + 0.645·5-s + 0.260·6-s − 0.873·7-s − 0.811·8-s + 0.333·9-s + 0.291·10-s − 0.872·11-s − 0.459·12-s + 0.347·13-s − 0.394·14-s + 0.372·15-s + 0.429·16-s − 1.33·17-s + 0.150·18-s − 1.53·19-s − 0.513·20-s − 0.504·21-s − 0.393·22-s − 0.911·23-s − 0.468·24-s − 0.583·25-s + 0.157·26-s + 0.192·27-s + 0.695·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 3 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(32-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 3 ^{s/2} \, \Gamma_{\C}(s+31/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(3\)
Sign: $-1$
Analytic conductor: \(18.2631\)
Root analytic conductor: \(4.27353\)
Motivic weight: \(31\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 3,\ (\ :31/2),\ -1)\)

Particular Values

\(L(16)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{33}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 - 1.43e7T \)
good2 \( 1 - 2.09e4T + 2.14e9T^{2} \)
5 \( 1 - 4.40e10T + 4.65e21T^{2} \)
7 \( 1 + 1.09e13T + 1.57e26T^{2} \)
11 \( 1 + 1.20e16T + 1.91e32T^{2} \)
13 \( 1 - 6.41e16T + 3.40e34T^{2} \)
17 \( 1 + 1.57e19T + 1.39e38T^{2} \)
19 \( 1 + 1.01e20T + 4.37e39T^{2} \)
23 \( 1 + 1.16e21T + 1.63e42T^{2} \)
29 \( 1 + 1.53e22T + 2.15e45T^{2} \)
31 \( 1 - 2.39e23T + 1.70e46T^{2} \)
37 \( 1 + 5.11e22T + 4.11e48T^{2} \)
41 \( 1 + 1.02e24T + 9.91e49T^{2} \)
43 \( 1 - 9.54e24T + 4.34e50T^{2} \)
47 \( 1 - 1.30e26T + 6.83e51T^{2} \)
53 \( 1 + 3.91e26T + 2.83e53T^{2} \)
59 \( 1 - 5.34e27T + 7.87e54T^{2} \)
61 \( 1 - 1.24e27T + 2.21e55T^{2} \)
67 \( 1 + 3.44e28T + 4.05e56T^{2} \)
71 \( 1 - 3.70e28T + 2.44e57T^{2} \)
73 \( 1 + 1.06e29T + 5.79e57T^{2} \)
79 \( 1 - 2.48e29T + 6.70e58T^{2} \)
83 \( 1 + 8.38e29T + 3.10e59T^{2} \)
89 \( 1 + 3.06e30T + 2.69e60T^{2} \)
97 \( 1 - 2.89e30T + 3.88e61T^{2} \)
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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

−17.68551850013125804367001956647, −15.49657468927713739582340493583, −13.73371302310480820357687378119, −12.90048748399637768454386053105, −10.03845988698785089401898209793, −8.605956664172178736323373405562, −6.13042128831849306310337388082, −4.20995343350361975982128564642, −2.48482734638277725353405184833, 0, 2.48482734638277725353405184833, 4.20995343350361975982128564642, 6.13042128831849306310337388082, 8.605956664172178736323373405562, 10.03845988698785089401898209793, 12.90048748399637768454386053105, 13.73371302310480820357687378119, 15.49657468927713739582340493583, 17.68551850013125804367001956647

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