Properties

Label 2-39-1.1-c3-0-3
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  + 4.74·2-s − 3·3-s + 14.4·4-s + 4.51·5-s − 14.2·6-s − 7.48·7-s + 30.7·8-s + 9·9-s + 21.4·10-s − 66.8·11-s − 43.4·12-s − 13·13-s − 35.4·14-s − 13.5·15-s + 29.8·16-s + 96.9·17-s + 42.6·18-s + 31.4·19-s + 65.4·20-s + 22.4·21-s − 317.·22-s + 183.·23-s − 92.2·24-s − 104.·25-s − 61.6·26-s − 27·27-s − 108.·28-s + ⋯
L(s)  = 1  + 1.67·2-s − 0.577·3-s + 1.81·4-s + 0.403·5-s − 0.967·6-s − 0.404·7-s + 1.35·8-s + 0.333·9-s + 0.677·10-s − 1.83·11-s − 1.04·12-s − 0.277·13-s − 0.677·14-s − 0.233·15-s + 0.467·16-s + 1.38·17-s + 0.558·18-s + 0.380·19-s + 0.731·20-s + 0.233·21-s − 3.07·22-s + 1.66·23-s − 0.784·24-s − 0.836·25-s − 0.464·26-s − 0.192·27-s − 0.731·28-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

\(L(2)\) \(\approx\) \(2.455179940\)
\(L(\frac12)\) \(\approx\) \(2.455179940\)
\(L(\frac{5}{2})\) 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 \( 1 - 4.74T + 8T^{2} \)
5 \( 1 - 4.51T + 125T^{2} \)
7 \( 1 + 7.48T + 343T^{2} \)
11 \( 1 + 66.8T + 1.33e3T^{2} \)
17 \( 1 - 96.9T + 4.91e3T^{2} \)
19 \( 1 - 31.4T + 6.85e3T^{2} \)
23 \( 1 - 183.T + 1.21e4T^{2} \)
29 \( 1 - 112.T + 2.43e4T^{2} \)
31 \( 1 + 77.2T + 2.97e4T^{2} \)
37 \( 1 - 54.7T + 5.06e4T^{2} \)
41 \( 1 - 451.T + 6.89e4T^{2} \)
43 \( 1 + 113.T + 7.95e4T^{2} \)
47 \( 1 + 42.2T + 1.03e5T^{2} \)
53 \( 1 + 530.T + 1.48e5T^{2} \)
59 \( 1 - 219.T + 2.05e5T^{2} \)
61 \( 1 - 822.T + 2.26e5T^{2} \)
67 \( 1 + 872.T + 3.00e5T^{2} \)
71 \( 1 + 100.T + 3.57e5T^{2} \)
73 \( 1 + 165.T + 3.89e5T^{2} \)
79 \( 1 + 545.T + 4.93e5T^{2} \)
83 \( 1 + 454.T + 5.71e5T^{2} \)
89 \( 1 + 230.T + 7.04e5T^{2} \)
97 \( 1 + 1.08e3T + 9.12e5T^{2} \)
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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

−15.59444456931606781246486698826, −14.39854807466564035287813392804, −13.16394236659639746642859752325, −12.61014534318416531167169799484, −11.25621080408741270288584986803, −10.00945851307149139236838779151, −7.43059213178317394275594944919, −5.85648758883860065584668602272, −4.99204993514547714957112126026, −2.95880254359165764848938604180, 2.95880254359165764848938604180, 4.99204993514547714957112126026, 5.85648758883860065584668602272, 7.43059213178317394275594944919, 10.00945851307149139236838779151, 11.25621080408741270288584986803, 12.61014534318416531167169799484, 13.16394236659639746642859752325, 14.39854807466564035287813392804, 15.59444456931606781246486698826

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