Properties

Label 2-39-1.1-c3-0-0
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  − 2.74·2-s − 3·3-s − 0.483·4-s + 19.4·5-s + 8.22·6-s + 7.48·7-s + 23.2·8-s + 9·9-s − 53.4·10-s + 22.8·11-s + 1.44·12-s − 13·13-s − 20.5·14-s − 58.4·15-s − 59.8·16-s + 67.0·17-s − 24.6·18-s + 16.5·19-s − 9.41·20-s − 22.4·21-s − 62.7·22-s − 175.·23-s − 69.7·24-s + 254.·25-s + 35.6·26-s − 27·27-s − 3.61·28-s + ⋯
L(s)  = 1  − 0.969·2-s − 0.577·3-s − 0.0604·4-s + 1.74·5-s + 0.559·6-s + 0.404·7-s + 1.02·8-s + 0.333·9-s − 1.68·10-s + 0.627·11-s + 0.0348·12-s − 0.277·13-s − 0.391·14-s − 1.00·15-s − 0.935·16-s + 0.956·17-s − 0.323·18-s + 0.199·19-s − 0.105·20-s − 0.233·21-s − 0.608·22-s − 1.59·23-s − 0.593·24-s + 2.03·25-s + 0.268·26-s − 0.192·27-s − 0.0244·28-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

\(L(2)\) \(\approx\) \(0.8517795692\)
\(L(\frac12)\) \(\approx\) \(0.8517795692\)
\(L(\frac{5}{2})\) 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 \( 1 + 2.74T + 8T^{2} \)
5 \( 1 - 19.4T + 125T^{2} \)
7 \( 1 - 7.48T + 343T^{2} \)
11 \( 1 - 22.8T + 1.33e3T^{2} \)
17 \( 1 - 67.0T + 4.91e3T^{2} \)
19 \( 1 - 16.5T + 6.85e3T^{2} \)
23 \( 1 + 175.T + 1.21e4T^{2} \)
29 \( 1 - 291.T + 2.43e4T^{2} \)
31 \( 1 - 117.T + 2.97e4T^{2} \)
37 \( 1 + 154.T + 5.06e4T^{2} \)
41 \( 1 + 251.T + 6.89e4T^{2} \)
43 \( 1 + 502.T + 7.95e4T^{2} \)
47 \( 1 + 281.T + 1.03e5T^{2} \)
53 \( 1 - 366.T + 1.48e5T^{2} \)
59 \( 1 + 79.6T + 2.05e5T^{2} \)
61 \( 1 + 194.T + 2.26e5T^{2} \)
67 \( 1 - 400.T + 3.00e5T^{2} \)
71 \( 1 - 528.T + 3.57e5T^{2} \)
73 \( 1 + 734.T + 3.89e5T^{2} \)
79 \( 1 - 113.T + 4.93e5T^{2} \)
83 \( 1 + 933.T + 5.71e5T^{2} \)
89 \( 1 - 1.19e3T + 7.04e5T^{2} \)
97 \( 1 - 557.T + 9.12e5T^{2} \)
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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

−16.35389087788887356414339717339, −14.31455700784265084109245368927, −13.56200222549742787414274124646, −11.98693603499908101350498142670, −10.22365105567801067018029684852, −9.829271318127610106617054814351, −8.365770672875975183148628021105, −6.51744942665318506834786953848, −5.05952133174969234512209771076, −1.51620518894178504511611455851, 1.51620518894178504511611455851, 5.05952133174969234512209771076, 6.51744942665318506834786953848, 8.365770672875975183148628021105, 9.829271318127610106617054814351, 10.22365105567801067018029684852, 11.98693603499908101350498142670, 13.56200222549742787414274124646, 14.31455700784265084109245368927, 16.35389087788887356414339717339

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