Properties

Label 2-1287-1.1-c1-0-9
Degree $2$
Conductor $1287$
Sign $1$
Analytic cond. $10.2767$
Root an. cond. $3.20573$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2-s − 4-s − 2·5-s − 2·7-s − 3·8-s − 2·10-s + 11-s − 13-s − 2·14-s − 16-s + 4·17-s + 6·19-s + 2·20-s + 22-s + 8·23-s − 25-s − 26-s + 2·28-s + 10·31-s + 5·32-s + 4·34-s + 4·35-s − 6·37-s + 6·38-s + 6·40-s − 2·41-s − 44-s + ⋯
L(s)  = 1  + 0.707·2-s − 1/2·4-s − 0.894·5-s − 0.755·7-s − 1.06·8-s − 0.632·10-s + 0.301·11-s − 0.277·13-s − 0.534·14-s − 1/4·16-s + 0.970·17-s + 1.37·19-s + 0.447·20-s + 0.213·22-s + 1.66·23-s − 1/5·25-s − 0.196·26-s + 0.377·28-s + 1.79·31-s + 0.883·32-s + 0.685·34-s + 0.676·35-s − 0.986·37-s + 0.973·38-s + 0.948·40-s − 0.312·41-s − 0.150·44-s + ⋯

Functional equation

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

Invariants

Degree: \(2\)
Conductor: \(1287\)    =    \(3^{2} \cdot 11 \cdot 13\)
Sign: $1$
Analytic conductor: \(10.2767\)
Root analytic conductor: \(3.20573\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1287,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.429982381\)
\(L(\frac12)\) \(\approx\) \(1.429982381\)
\(L(\frac{3}{2})\) 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 \( 1 - T + p T^{2} \)
5 \( 1 + 2 T + p T^{2} \)
7 \( 1 + 2 T + p T^{2} \)
17 \( 1 - 4 T + p T^{2} \)
19 \( 1 - 6 T + p T^{2} \)
23 \( 1 - 8 T + p T^{2} \)
29 \( 1 + p T^{2} \)
31 \( 1 - 10 T + p T^{2} \)
37 \( 1 + 6 T + p T^{2} \)
41 \( 1 + 2 T + p T^{2} \)
43 \( 1 + p T^{2} \)
47 \( 1 - 8 T + p T^{2} \)
53 \( 1 + p T^{2} \)
59 \( 1 + 4 T + p T^{2} \)
61 \( 1 + 6 T + p T^{2} \)
67 \( 1 + 10 T + p T^{2} \)
71 \( 1 + p T^{2} \)
73 \( 1 - 10 T + p T^{2} \)
79 \( 1 + 4 T + p T^{2} \)
83 \( 1 - 12 T + p T^{2} \)
89 \( 1 - 18 T + p T^{2} \)
97 \( 1 + 10 T + p T^{2} \)
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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

−9.573421641962975893437284232846, −8.957347110213973592791803261844, −7.966905114856647208944346582611, −7.18584010360087641019743865713, −6.23113991377994761358953804072, −5.27061465903248153356902936682, −4.53948320527620847342463349489, −3.44138640243946987623938330137, −3.06772105527612509209487610972, −0.799477074197494500154640207567, 0.799477074197494500154640207567, 3.06772105527612509209487610972, 3.44138640243946987623938330137, 4.53948320527620847342463349489, 5.27061465903248153356902936682, 6.23113991377994761358953804072, 7.18584010360087641019743865713, 7.966905114856647208944346582611, 8.957347110213973592791803261844, 9.573421641962975893437284232846

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