Properties

Label 2-1287-1.1-c1-0-37
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  + 1.70·2-s + 0.894·4-s + 4.04·5-s + 4.09·7-s − 1.88·8-s + 6.87·10-s + 11-s + 13-s + 6.97·14-s − 4.98·16-s − 3.40·17-s − 0.396·19-s + 3.61·20-s + 1.70·22-s − 1.73·23-s + 11.3·25-s + 1.70·26-s + 3.66·28-s − 7.08·29-s − 8.11·31-s − 4.72·32-s − 5.78·34-s + 16.5·35-s + 2.42·37-s − 0.674·38-s − 7.60·40-s − 1.88·41-s + ⋯
L(s)  = 1  + 1.20·2-s + 0.447·4-s + 1.80·5-s + 1.54·7-s − 0.665·8-s + 2.17·10-s + 0.301·11-s + 0.277·13-s + 1.86·14-s − 1.24·16-s − 0.825·17-s − 0.0909·19-s + 0.808·20-s + 0.362·22-s − 0.360·23-s + 2.26·25-s + 0.333·26-s + 0.692·28-s − 1.31·29-s − 1.45·31-s − 0.835·32-s − 0.992·34-s + 2.80·35-s + 0.399·37-s − 0.109·38-s − 1.20·40-s − 0.294·41-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

\(L(1)\) \(\approx\) \(4.328148972\)
\(L(\frac12)\) \(\approx\) \(4.328148972\)
\(L(\frac{3}{2})\) 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 \( 1 - 1.70T + 2T^{2} \)
5 \( 1 - 4.04T + 5T^{2} \)
7 \( 1 - 4.09T + 7T^{2} \)
17 \( 1 + 3.40T + 17T^{2} \)
19 \( 1 + 0.396T + 19T^{2} \)
23 \( 1 + 1.73T + 23T^{2} \)
29 \( 1 + 7.08T + 29T^{2} \)
31 \( 1 + 8.11T + 31T^{2} \)
37 \( 1 - 2.42T + 37T^{2} \)
41 \( 1 + 1.88T + 41T^{2} \)
43 \( 1 - 2.07T + 43T^{2} \)
47 \( 1 + 3.47T + 47T^{2} \)
53 \( 1 + 6.80T + 53T^{2} \)
59 \( 1 + 3.45T + 59T^{2} \)
61 \( 1 - 4.40T + 61T^{2} \)
67 \( 1 + 1.82T + 67T^{2} \)
71 \( 1 - 2.68T + 71T^{2} \)
73 \( 1 - 9.07T + 73T^{2} \)
79 \( 1 - 9.08T + 79T^{2} \)
83 \( 1 - 9.37T + 83T^{2} \)
89 \( 1 - 13.8T + 89T^{2} \)
97 \( 1 - 5.24T + 97T^{2} \)
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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

−9.447568653759186084393225402715, −9.098179019584828733177292300130, −8.059034454273887792018817904023, −6.81061206941000363846265157439, −6.01949418834818178888845711432, −5.34560343446388418151771438311, −4.78038903186610063736099961894, −3.74832914763498429887804307994, −2.32174377776056455699417094509, −1.67335524406448166930321215632, 1.67335524406448166930321215632, 2.32174377776056455699417094509, 3.74832914763498429887804307994, 4.78038903186610063736099961894, 5.34560343446388418151771438311, 6.01949418834818178888845711432, 6.81061206941000363846265157439, 8.059034454273887792018817904023, 9.098179019584828733177292300130, 9.447568653759186084393225402715

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