Properties

Label 2-1568-1.1-c3-0-119
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 $1$

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: \(1\)
Selberg data: \((2,\ 1568,\ (\ :3/2),\ -1)\)

Particular Values

\(L(2)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{5}{2})\) 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

−8.498185957150854070763973460890, −8.026594288591241922609208400600, −7.39291622356406770283440842220, −6.30138591532026434006113153783, −5.28259001013245671967715591165, −4.28092457678899082046607261341, −3.32021849965731344946881219117, −2.44121825416458766098331063619, −1.82245145841448055785094181454, 0, 1.82245145841448055785094181454, 2.44121825416458766098331063619, 3.32021849965731344946881219117, 4.28092457678899082046607261341, 5.28259001013245671967715591165, 6.30138591532026434006113153783, 7.39291622356406770283440842220, 8.026594288591241922609208400600, 8.498185957150854070763973460890

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