Properties

Label 2-39-1.1-c3-0-1
Degree $2$
Conductor $39$
Sign $1$
Analytic cond. $2.30107$
Root an. cond. $1.51692$
Motivic weight $3$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 3.73·2-s + 3·3-s + 5.95·4-s − 3.90·5-s − 11.2·6-s + 36.4·7-s + 7.64·8-s + 9·9-s + 14.5·10-s + 19.1·11-s + 17.8·12-s + 13·13-s − 136.·14-s − 11.7·15-s − 76.1·16-s − 83.8·17-s − 33.6·18-s + 46.8·19-s − 23.2·20-s + 109.·21-s − 71.6·22-s + 103.·23-s + 22.9·24-s − 109.·25-s − 48.5·26-s + 27·27-s + 216.·28-s + ⋯
L(s)  = 1  − 1.32·2-s + 0.577·3-s + 0.744·4-s − 0.349·5-s − 0.762·6-s + 1.96·7-s + 0.337·8-s + 0.333·9-s + 0.461·10-s + 0.526·11-s + 0.429·12-s + 0.277·13-s − 2.59·14-s − 0.201·15-s − 1.19·16-s − 1.19·17-s − 0.440·18-s + 0.565·19-s − 0.260·20-s + 1.13·21-s − 0.694·22-s + 0.941·23-s + 0.195·24-s − 0.877·25-s − 0.366·26-s + 0.192·27-s + 1.46·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 39 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 39 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(39\)    =    \(3 \cdot 13\)
Sign: $1$
Analytic conductor: \(2.30107\)
Root analytic conductor: \(1.51692\)
Motivic weight: \(3\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 39,\ (\ :3/2),\ 1)\)

Particular Values

\(L(2)\) \(\approx\) \(0.9014607473\)
\(L(\frac12)\) \(\approx\) \(0.9014607473\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 - 3T \)
13 \( 1 - 13T \)
good2 \( 1 + 3.73T + 8T^{2} \)
5 \( 1 + 3.90T + 125T^{2} \)
7 \( 1 - 36.4T + 343T^{2} \)
11 \( 1 - 19.1T + 1.33e3T^{2} \)
17 \( 1 + 83.8T + 4.91e3T^{2} \)
19 \( 1 - 46.8T + 6.85e3T^{2} \)
23 \( 1 - 103.T + 1.21e4T^{2} \)
29 \( 1 - 108.T + 2.43e4T^{2} \)
31 \( 1 + 147.T + 2.97e4T^{2} \)
37 \( 1 + 160.T + 5.06e4T^{2} \)
41 \( 1 - 231.T + 6.89e4T^{2} \)
43 \( 1 + 340.T + 7.95e4T^{2} \)
47 \( 1 - 119.T + 1.03e5T^{2} \)
53 \( 1 + 732.T + 1.48e5T^{2} \)
59 \( 1 + 229.T + 2.05e5T^{2} \)
61 \( 1 - 108.T + 2.26e5T^{2} \)
67 \( 1 - 10.3T + 3.00e5T^{2} \)
71 \( 1 + 869.T + 3.57e5T^{2} \)
73 \( 1 + 1.09e3T + 3.89e5T^{2} \)
79 \( 1 - 140.T + 4.93e5T^{2} \)
83 \( 1 + 159.T + 5.71e5T^{2} \)
89 \( 1 - 1.06e3T + 7.04e5T^{2} \)
97 \( 1 - 858.T + 9.12e5T^{2} \)
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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

−15.86063762518602394068681098741, −14.70689240075525421131845151262, −13.63650315395773307900783175105, −11.60312994981776298364481036927, −10.76958401161466343610986832455, −9.125313057728331244327295481628, −8.305794915497233695757295811161, −7.32085853754735666088643676370, −4.56649153778551490017582005643, −1.61182073826344544636161528361, 1.61182073826344544636161528361, 4.56649153778551490017582005643, 7.32085853754735666088643676370, 8.305794915497233695757295811161, 9.125313057728331244327295481628, 10.76958401161466343610986832455, 11.60312994981776298364481036927, 13.63650315395773307900783175105, 14.70689240075525421131845151262, 15.86063762518602394068681098741

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