Properties

Label 2-1287-13.12-c1-0-1
Degree $2$
Conductor $1287$
Sign $0.811 + 0.584i$
Analytic cond. $10.2767$
Root an. cond. $3.20573$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2.53i·2-s − 4.42·4-s + 3.70i·5-s − 0.957i·7-s − 6.14i·8-s − 9.37·10-s i·11-s + (−2.10 + 2.92i)13-s + 2.42·14-s + 6.71·16-s − 2.05·17-s − 7.67i·19-s − 16.3i·20-s + 2.53·22-s − 4.20·23-s + ⋯
L(s)  = 1  + 1.79i·2-s − 2.21·4-s + 1.65i·5-s − 0.361i·7-s − 2.17i·8-s − 2.96·10-s − 0.301i·11-s + (−0.584 + 0.811i)13-s + 0.648·14-s + 1.67·16-s − 0.498·17-s − 1.76i·19-s − 3.66i·20-s + 0.540·22-s − 0.877·23-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1287 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.811 + 0.584i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1287 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.811 + 0.584i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1287\)    =    \(3^{2} \cdot 11 \cdot 13\)
Sign: $0.811 + 0.584i$
Analytic conductor: \(10.2767\)
Root analytic conductor: \(3.20573\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{1287} (298, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1287,\ (\ :1/2),\ 0.811 + 0.584i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.3164038893\)
\(L(\frac12)\) \(\approx\) \(0.3164038893\)
\(L(\frac{3}{2})\) 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 \( 1 + iT \)
13 \( 1 + (2.10 - 2.92i)T \)
good2 \( 1 - 2.53iT - 2T^{2} \)
5 \( 1 - 3.70iT - 5T^{2} \)
7 \( 1 + 0.957iT - 7T^{2} \)
17 \( 1 + 2.05T + 17T^{2} \)
19 \( 1 + 7.67iT - 19T^{2} \)
23 \( 1 + 4.20T + 23T^{2} \)
29 \( 1 + 1.97T + 29T^{2} \)
31 \( 1 - 10.5iT - 31T^{2} \)
37 \( 1 + 8.30iT - 37T^{2} \)
41 \( 1 + 5.23iT - 41T^{2} \)
43 \( 1 + 5.26T + 43T^{2} \)
47 \( 1 - 1.24iT - 47T^{2} \)
53 \( 1 + 2.98T + 53T^{2} \)
59 \( 1 - 12.3iT - 59T^{2} \)
61 \( 1 + 0.183T + 61T^{2} \)
67 \( 1 + 1.40iT - 67T^{2} \)
71 \( 1 - 12.1iT - 71T^{2} \)
73 \( 1 + 3.32iT - 73T^{2} \)
79 \( 1 + 3.64T + 79T^{2} \)
83 \( 1 - 3.31iT - 83T^{2} \)
89 \( 1 + 5.24iT - 89T^{2} \)
97 \( 1 + 9.82iT - 97T^{2} \)
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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

−10.25828582046997109406749889620, −9.261058754053588085575563100962, −8.646909321774644028444890654701, −7.44878291197899978716824190386, −7.06194428594705513384631965126, −6.60985604553960261358978671456, −5.70219183587151943711235865065, −4.67073944859539618467304740171, −3.75285564376169552358876588264, −2.49104568977856215985683187109, 0.13353078490291008298519327972, 1.43856165002829971154396557341, 2.26349033956923531548171508388, 3.59649856402171102025399551766, 4.41811817937281605295082989578, 5.13052291979032346082285149145, 5.98823798241428939324507626268, 7.989294049500645109582592842196, 8.257060697989267580954522816088, 9.346940890790045068574185362401

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