Properties

Label 2-1287-143.142-c0-0-4
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

\(L(\frac{1}{2})\) \(\approx\) \(1.418510106\)
\(L(\frac12)\) \(\approx\) \(1.418510106\)
\(L(1)\) 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

−9.778102263307145683477115407019, −8.858629888446140693401507279937, −8.461176844455255029107338654918, −7.36545295238542606497065935798, −6.51695104166117993467808438448, −5.23513571633783344978278439501, −4.85016054757954122068774475305, −4.06583679467251771159061010269, −2.84332762280610811392257984819, −1.41393594341147264303934065962, 1.41393594341147264303934065962, 2.84332762280610811392257984819, 4.06583679467251771159061010269, 4.85016054757954122068774475305, 5.23513571633783344978278439501, 6.51695104166117993467808438448, 7.36545295238542606497065935798, 8.461176844455255029107338654918, 8.858629888446140693401507279937, 9.778102263307145683477115407019

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