Properties

Label 2-1287-1.1-c1-0-26
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  + 2.09·2-s + 2.36·4-s + 3.20·5-s − 0.388·7-s + 0.771·8-s + 6.70·10-s − 11-s + 13-s − 0.811·14-s − 3.12·16-s + 5.09·17-s + 5.49·19-s + 7.60·20-s − 2.09·22-s − 2.51·23-s + 5.29·25-s + 2.09·26-s − 0.919·28-s + 1.17·29-s + 2.69·31-s − 8.07·32-s + 10.6·34-s − 1.24·35-s + 6.39·37-s + 11.4·38-s + 2.47·40-s − 10.6·41-s + ⋯
L(s)  = 1  + 1.47·2-s + 1.18·4-s + 1.43·5-s − 0.146·7-s + 0.272·8-s + 2.12·10-s − 0.301·11-s + 0.277·13-s − 0.216·14-s − 0.781·16-s + 1.23·17-s + 1.26·19-s + 1.70·20-s − 0.445·22-s − 0.525·23-s + 1.05·25-s + 0.409·26-s − 0.173·28-s + 0.218·29-s + 0.484·31-s − 1.42·32-s + 1.82·34-s − 0.210·35-s + 1.05·37-s + 1.86·38-s + 0.391·40-s − 1.66·41-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

\(L(1)\) \(\approx\) \(4.551719444\)
\(L(\frac12)\) \(\approx\) \(4.551719444\)
\(L(\frac{3}{2})\) 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 \( 1 - 2.09T + 2T^{2} \)
5 \( 1 - 3.20T + 5T^{2} \)
7 \( 1 + 0.388T + 7T^{2} \)
17 \( 1 - 5.09T + 17T^{2} \)
19 \( 1 - 5.49T + 19T^{2} \)
23 \( 1 + 2.51T + 23T^{2} \)
29 \( 1 - 1.17T + 29T^{2} \)
31 \( 1 - 2.69T + 31T^{2} \)
37 \( 1 - 6.39T + 37T^{2} \)
41 \( 1 + 10.6T + 41T^{2} \)
43 \( 1 + 10.7T + 43T^{2} \)
47 \( 1 - 7.61T + 47T^{2} \)
53 \( 1 + 3.84T + 53T^{2} \)
59 \( 1 - 4.81T + 59T^{2} \)
61 \( 1 - 2.68T + 61T^{2} \)
67 \( 1 + 12.3T + 67T^{2} \)
71 \( 1 + 9.31T + 71T^{2} \)
73 \( 1 + 0.946T + 73T^{2} \)
79 \( 1 + 6.41T + 79T^{2} \)
83 \( 1 + 5.18T + 83T^{2} \)
89 \( 1 - 10.6T + 89T^{2} \)
97 \( 1 - 5.95T + 97T^{2} \)
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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

−9.897773379729608307424372762188, −9.007459294631222943886826554062, −7.85972354223119167113652207800, −6.76911679337005421840996319177, −5.99466855939207456948559653294, −5.47249389708547037026629559918, −4.76110851768389546138124064565, −3.47393966148247565845727871490, −2.76766456605592450130782415714, −1.55016855940194882066878486949, 1.55016855940194882066878486949, 2.76766456605592450130782415714, 3.47393966148247565845727871490, 4.76110851768389546138124064565, 5.47249389708547037026629559918, 5.99466855939207456948559653294, 6.76911679337005421840996319177, 7.85972354223119167113652207800, 9.007459294631222943886826554062, 9.897773379729608307424372762188

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