Properties

Label 2-1568-1.1-c3-0-34
Degree $2$
Conductor $1568$
Sign $1$
Analytic cond. $92.5149$
Root an. cond. $9.61847$
Motivic weight $3$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 8·3-s + 4·5-s + 37·9-s + 40·11-s − 36·13-s − 32·15-s + 40·17-s + 72·19-s + 176·23-s − 109·25-s − 80·27-s + 162·29-s + 16·31-s − 320·33-s − 54·37-s + 288·39-s − 472·41-s + 72·43-s + 148·45-s − 144·47-s − 320·51-s + 486·53-s + 160·55-s − 576·57-s + 648·59-s − 684·61-s − 144·65-s + ⋯
L(s)  = 1  − 1.53·3-s + 0.357·5-s + 1.37·9-s + 1.09·11-s − 0.768·13-s − 0.550·15-s + 0.570·17-s + 0.869·19-s + 1.59·23-s − 0.871·25-s − 0.570·27-s + 1.03·29-s + 0.0926·31-s − 1.68·33-s − 0.239·37-s + 1.18·39-s − 1.79·41-s + 0.255·43-s + 0.490·45-s − 0.446·47-s − 0.878·51-s + 1.25·53-s + 0.392·55-s − 1.33·57-s + 1.42·59-s − 1.43·61-s − 0.274·65-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1568 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1568 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1568\)    =    \(2^{5} \cdot 7^{2}\)
Sign: $1$
Analytic conductor: \(92.5149\)
Root analytic conductor: \(9.61847\)
Motivic weight: \(3\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1568,\ (\ :3/2),\ 1)\)

Particular Values

\(L(2)\) \(\approx\) \(1.381940640\)
\(L(\frac12)\) \(\approx\) \(1.381940640\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
7 \( 1 \)
good3 \( 1 + 8 T + p^{3} T^{2} \)
5 \( 1 - 4 T + p^{3} T^{2} \)
11 \( 1 - 40 T + p^{3} T^{2} \)
13 \( 1 + 36 T + p^{3} T^{2} \)
17 \( 1 - 40 T + p^{3} T^{2} \)
19 \( 1 - 72 T + p^{3} T^{2} \)
23 \( 1 - 176 T + p^{3} T^{2} \)
29 \( 1 - 162 T + p^{3} T^{2} \)
31 \( 1 - 16 T + p^{3} T^{2} \)
37 \( 1 + 54 T + p^{3} T^{2} \)
41 \( 1 + 472 T + p^{3} T^{2} \)
43 \( 1 - 72 T + p^{3} T^{2} \)
47 \( 1 + 144 T + p^{3} T^{2} \)
53 \( 1 - 486 T + p^{3} T^{2} \)
59 \( 1 - 648 T + p^{3} T^{2} \)
61 \( 1 + 684 T + p^{3} T^{2} \)
67 \( 1 + 216 T + p^{3} T^{2} \)
71 \( 1 - 608 T + p^{3} T^{2} \)
73 \( 1 - 1008 T + p^{3} T^{2} \)
79 \( 1 + 1008 T + p^{3} T^{2} \)
83 \( 1 + 216 T + p^{3} T^{2} \)
89 \( 1 + 1040 T + p^{3} T^{2} \)
97 \( 1 + 936 T + p^{3} T^{2} \)
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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

−9.344728262213915543226305770259, −8.243037671066118208180556079286, −6.97069269878340366114923645411, −6.76193108880016813117194211676, −5.62880739437241334132187239350, −5.19820236765232567874041308223, −4.26875299637242338910438828532, −3.05226471460744021426721415636, −1.52724823015557594951162239626, −0.66598032437793213767173615614, 0.66598032437793213767173615614, 1.52724823015557594951162239626, 3.05226471460744021426721415636, 4.26875299637242338910438828532, 5.19820236765232567874041308223, 5.62880739437241334132187239350, 6.76193108880016813117194211676, 6.97069269878340366114923645411, 8.243037671066118208180556079286, 9.344728262213915543226305770259

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