Properties

Label 2-1287-1.1-c1-0-19
Degree $2$
Conductor $1287$
Sign $1$
Analytic cond. $10.2767$
Root an. cond. $3.20573$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 1.12·2-s − 0.730·4-s + 0.792·5-s + 3.80·7-s − 3.07·8-s + 0.893·10-s − 11-s − 13-s + 4.28·14-s − 2.00·16-s + 3.83·17-s + 7.92·19-s − 0.578·20-s − 1.12·22-s + 2.44·23-s − 4.37·25-s − 1.12·26-s − 2.78·28-s + 2.56·29-s − 2.32·31-s + 3.89·32-s + 4.32·34-s + 3.01·35-s − 6.09·37-s + 8.92·38-s − 2.43·40-s + 7.74·41-s + ⋯
L(s)  = 1  + 0.796·2-s − 0.365·4-s + 0.354·5-s + 1.43·7-s − 1.08·8-s + 0.282·10-s − 0.301·11-s − 0.277·13-s + 1.14·14-s − 0.501·16-s + 0.931·17-s + 1.81·19-s − 0.129·20-s − 0.240·22-s + 0.510·23-s − 0.874·25-s − 0.220·26-s − 0.525·28-s + 0.476·29-s − 0.417·31-s + 0.688·32-s + 0.741·34-s + 0.510·35-s − 1.00·37-s + 1.44·38-s − 0.385·40-s + 1.20·41-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: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1287,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(2.628376350\)
\(L(\frac12)\) \(\approx\) \(2.628376350\)
\(L(\frac{3}{2})\) 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 \( 1 - 1.12T + 2T^{2} \)
5 \( 1 - 0.792T + 5T^{2} \)
7 \( 1 - 3.80T + 7T^{2} \)
17 \( 1 - 3.83T + 17T^{2} \)
19 \( 1 - 7.92T + 19T^{2} \)
23 \( 1 - 2.44T + 23T^{2} \)
29 \( 1 - 2.56T + 29T^{2} \)
31 \( 1 + 2.32T + 31T^{2} \)
37 \( 1 + 6.09T + 37T^{2} \)
41 \( 1 - 7.74T + 41T^{2} \)
43 \( 1 - 10.2T + 43T^{2} \)
47 \( 1 - 5.36T + 47T^{2} \)
53 \( 1 + 4.49T + 53T^{2} \)
59 \( 1 - 6.89T + 59T^{2} \)
61 \( 1 + 6.82T + 61T^{2} \)
67 \( 1 + 4.97T + 67T^{2} \)
71 \( 1 + 10.0T + 71T^{2} \)
73 \( 1 - 12.4T + 73T^{2} \)
79 \( 1 - 3.48T + 79T^{2} \)
83 \( 1 + 6.28T + 83T^{2} \)
89 \( 1 + 10.7T + 89T^{2} \)
97 \( 1 - 15.9T + 97T^{2} \)
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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

−9.584057727537478378821576406670, −8.932364830014988643573624934830, −7.88558038219852760392008172634, −7.38039859871136099928059262951, −5.87785210342673564396058842013, −5.34806630434486280765144302286, −4.71546980214128540903962171124, −3.68587779026967431876244526780, −2.60592575878717677758071205735, −1.17583566109110072908496266946, 1.17583566109110072908496266946, 2.60592575878717677758071205735, 3.68587779026967431876244526780, 4.71546980214128540903962171124, 5.34806630434486280765144302286, 5.87785210342673564396058842013, 7.38039859871136099928059262951, 7.88558038219852760392008172634, 8.932364830014988643573624934830, 9.584057727537478378821576406670

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