Properties

Label 2-1287-143.142-c0-0-1
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  − 0.618·2-s − 0.618·4-s − 1.61·7-s + 8-s − 11-s + 13-s + 1.00·14-s + 0.618·19-s + 0.618·22-s + 1.61·23-s + 25-s − 0.618·26-s + 0.999·28-s − 0.999·32-s − 0.381·38-s + 1.61·41-s + 0.618·44-s − 1.00·46-s + 1.61·49-s − 0.618·50-s − 0.618·52-s − 0.618·53-s − 1.61·56-s + 0.618·64-s + 0.618·73-s − 0.381·76-s + 1.61·77-s + ⋯
L(s)  = 1  − 0.618·2-s − 0.618·4-s − 1.61·7-s + 8-s − 11-s + 13-s + 1.00·14-s + 0.618·19-s + 0.618·22-s + 1.61·23-s + 25-s − 0.618·26-s + 0.999·28-s − 0.999·32-s − 0.381·38-s + 1.61·41-s + 0.618·44-s − 1.00·46-s + 1.61·49-s − 0.618·50-s − 0.618·52-s − 0.618·53-s − 1.61·56-s + 0.618·64-s + 0.618·73-s − 0.381·76-s + 1.61·77-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

\(L(\frac{1}{2})\) \(\approx\) \(0.5437780720\)
\(L(\frac12)\) \(\approx\) \(0.5437780720\)
\(L(1)\) 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 \( 1 + 0.618T + T^{2} \)
5 \( 1 - T^{2} \)
7 \( 1 + 1.61T + T^{2} \)
17 \( 1 - T^{2} \)
19 \( 1 - 0.618T + T^{2} \)
23 \( 1 - 1.61T + T^{2} \)
29 \( 1 - T^{2} \)
31 \( 1 - T^{2} \)
37 \( 1 - T^{2} \)
41 \( 1 - 1.61T + T^{2} \)
43 \( 1 - T^{2} \)
47 \( 1 - T^{2} \)
53 \( 1 + 0.618T + T^{2} \)
59 \( 1 - T^{2} \)
61 \( 1 - T^{2} \)
67 \( 1 - T^{2} \)
71 \( 1 - T^{2} \)
73 \( 1 - 0.618T + T^{2} \)
79 \( 1 - T^{2} \)
83 \( 1 - 1.61T + T^{2} \)
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

−9.605607541076011321315385602159, −9.218220173815302334298958228023, −8.419230517327058605109882927636, −7.49747474978521596788244420829, −6.70006926050344362831103278967, −5.71791228229568349634568244635, −4.81069468102198893364637748562, −3.61173845177286605244854577688, −2.82094612206217240814610061808, −0.896656552366389542474507084916, 0.896656552366389542474507084916, 2.82094612206217240814610061808, 3.61173845177286605244854577688, 4.81069468102198893364637748562, 5.71791228229568349634568244635, 6.70006926050344362831103278967, 7.49747474978521596788244420829, 8.419230517327058605109882927636, 9.218220173815302334298958228023, 9.605607541076011321315385602159

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