Properties

Label 2-1287-143.142-c0-0-2
Degree $2$
Conductor $1287$
Sign $1$
Analytic cond. $0.642296$
Root an. cond. $0.801434$
Motivic weight $0$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 1.61·2-s + 1.61·4-s − 0.618·7-s − 8-s + 11-s − 13-s + 1.00·14-s + 1.61·19-s − 1.61·22-s − 0.618·23-s + 25-s + 1.61·26-s − 1.00·28-s + 32-s − 2.61·38-s + 0.618·41-s + 1.61·44-s + 1.00·46-s − 0.618·49-s − 1.61·50-s − 1.61·52-s + 1.61·53-s + 0.618·56-s − 1.61·64-s + 1.61·73-s + 2.61·76-s − 0.618·77-s + ⋯
L(s)  = 1  − 1.61·2-s + 1.61·4-s − 0.618·7-s − 8-s + 11-s − 13-s + 1.00·14-s + 1.61·19-s − 1.61·22-s − 0.618·23-s + 25-s + 1.61·26-s − 1.00·28-s + 32-s − 2.61·38-s + 0.618·41-s + 1.61·44-s + 1.00·46-s − 0.618·49-s − 1.61·50-s − 1.61·52-s + 1.61·53-s + 0.618·56-s − 1.61·64-s + 1.61·73-s + 2.61·76-s − 0.618·77-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1287 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1287 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1287\)    =    \(3^{2} \cdot 11 \cdot 13\)
Sign: $1$
Analytic conductor: \(0.642296\)
Root analytic conductor: \(0.801434\)
Motivic weight: \(0\)
Rational: no
Arithmetic: yes
Character: $\chi_{1287} (1000, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1287,\ (\ :0),\ 1)\)

Particular Values

\(L(\frac{1}{2})\) \(\approx\) \(0.4787380897\)
\(L(\frac12)\) \(\approx\) \(0.4787380897\)
\(L(1)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 \)
11 \( 1 - T \)
13 \( 1 + T \)
good2 \( 1 + 1.61T + T^{2} \)
5 \( 1 - T^{2} \)
7 \( 1 + 0.618T + T^{2} \)
17 \( 1 - T^{2} \)
19 \( 1 - 1.61T + T^{2} \)
23 \( 1 + 0.618T + T^{2} \)
29 \( 1 - T^{2} \)
31 \( 1 - T^{2} \)
37 \( 1 - T^{2} \)
41 \( 1 - 0.618T + T^{2} \)
43 \( 1 - T^{2} \)
47 \( 1 - T^{2} \)
53 \( 1 - 1.61T + T^{2} \)
59 \( 1 - T^{2} \)
61 \( 1 - T^{2} \)
67 \( 1 - T^{2} \)
71 \( 1 - T^{2} \)
73 \( 1 - 1.61T + T^{2} \)
79 \( 1 - T^{2} \)
83 \( 1 - 0.618T + T^{2} \)
89 \( 1 - T^{2} \)
97 \( 1 - T^{2} \)
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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

−9.673488512536933188945348450431, −9.240446081369098313325319121893, −8.406783343682521185060621690191, −7.44280174016165141610831880825, −6.97916596973920122118746110781, −6.06259160672395650214261379153, −4.82552517804463552985268493104, −3.47273873382208245584091634872, −2.32766453594405257828719345240, −0.985901173479787071132460001469, 0.985901173479787071132460001469, 2.32766453594405257828719345240, 3.47273873382208245584091634872, 4.82552517804463552985268493104, 6.06259160672395650214261379153, 6.97916596973920122118746110781, 7.44280174016165141610831880825, 8.406783343682521185060621690191, 9.240446081369098313325319121893, 9.673488512536933188945348450431

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