Properties

Label 2-672-168.83-c2-0-16
Degree $2$
Conductor $672$
Sign $1$
Analytic cond. $18.3106$
Root an. cond. $4.27909$
Motivic weight $2$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 3·3-s − 7·7-s + 9·9-s + 2·13-s − 22·17-s + 21·21-s − 38·23-s + 25·25-s − 27·27-s + 26·29-s + 34·31-s − 6·39-s + 26·41-s + 82·43-s + 49·49-s + 66·51-s − 22·53-s + 106·59-s − 94·61-s − 63·63-s + 34·67-s + 114·69-s + 58·71-s − 75·75-s + 81·81-s + 58·83-s − 78·87-s + ⋯
L(s)  = 1  − 3-s − 7-s + 9-s + 2/13·13-s − 1.29·17-s + 21-s − 1.65·23-s + 25-s − 27-s + 0.896·29-s + 1.09·31-s − 0.153·39-s + 0.634·41-s + 1.90·43-s + 49-s + 1.29·51-s − 0.415·53-s + 1.79·59-s − 1.54·61-s − 63-s + 0.507·67-s + 1.65·69-s + 0.816·71-s − 75-s + 81-s + 0.698·83-s − 0.896·87-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 672 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 672 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(672\)    =    \(2^{5} \cdot 3 \cdot 7\)
Sign: $1$
Analytic conductor: \(18.3106\)
Root analytic conductor: \(4.27909\)
Motivic weight: \(2\)
Rational: yes
Arithmetic: yes
Character: $\chi_{672} (335, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 672,\ (\ :1),\ 1)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(0.9263566330\)
\(L(\frac12)\) \(\approx\) \(0.9263566330\)
\(L(2)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
3 \( 1 + p T \)
7 \( 1 + p T \)
good5 \( ( 1 - p T )( 1 + p T ) \)
11 \( ( 1 - p T )( 1 + p T ) \)
13 \( 1 - 2 T + p^{2} T^{2} \)
17 \( 1 + 22 T + p^{2} T^{2} \)
19 \( ( 1 - p T )( 1 + p T ) \)
23 \( 1 + 38 T + p^{2} T^{2} \)
29 \( 1 - 26 T + p^{2} T^{2} \)
31 \( 1 - 34 T + p^{2} T^{2} \)
37 \( ( 1 - p T )( 1 + p T ) \)
41 \( 1 - 26 T + p^{2} T^{2} \)
43 \( 1 - 82 T + p^{2} T^{2} \)
47 \( ( 1 - p T )( 1 + p T ) \)
53 \( 1 + 22 T + p^{2} T^{2} \)
59 \( 1 - 106 T + p^{2} T^{2} \)
61 \( 1 + 94 T + p^{2} T^{2} \)
67 \( 1 - 34 T + p^{2} T^{2} \)
71 \( 1 - 58 T + p^{2} T^{2} \)
73 \( ( 1 - p T )( 1 + p T ) \)
79 \( ( 1 - p T )( 1 + p T ) \)
83 \( 1 - 58 T + p^{2} T^{2} \)
89 \( 1 - 122 T + p^{2} T^{2} \)
97 \( ( 1 - p T )( 1 + p T ) \)
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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

−10.37201805440193447172951810202, −9.632543154892364177052882303864, −8.675466776990767693499307260327, −7.46619449369695535850565683601, −6.45625241073579188105822107257, −6.09000507465874906514867043334, −4.78622709428025575038547179850, −3.91666419500503953828492308931, −2.42533697503928388424039992461, −0.67121131489636621110663435335, 0.67121131489636621110663435335, 2.42533697503928388424039992461, 3.91666419500503953828492308931, 4.78622709428025575038547179850, 6.09000507465874906514867043334, 6.45625241073579188105822107257, 7.46619449369695535850565683601, 8.675466776990767693499307260327, 9.632543154892364177052882303864, 10.37201805440193447172951810202

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