Properties

Label 2-287-1.1-c1-0-1
Degree $2$
Conductor $287$
Sign $1$
Analytic cond. $2.29170$
Root an. cond. $1.51383$
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  − 2.45·2-s − 1.45·3-s + 4.03·4-s − 2.26·5-s + 3.58·6-s + 7-s − 5.00·8-s − 0.876·9-s + 5.57·10-s − 5.41·11-s − 5.88·12-s + 3.23·13-s − 2.45·14-s + 3.30·15-s + 4.22·16-s + 2.83·17-s + 2.15·18-s − 4.32·19-s − 9.15·20-s − 1.45·21-s + 13.3·22-s + 6.99·23-s + 7.29·24-s + 0.138·25-s − 7.95·26-s + 5.64·27-s + 4.03·28-s + ⋯
L(s)  = 1  − 1.73·2-s − 0.841·3-s + 2.01·4-s − 1.01·5-s + 1.46·6-s + 0.377·7-s − 1.77·8-s − 0.292·9-s + 1.76·10-s − 1.63·11-s − 1.69·12-s + 0.897·13-s − 0.656·14-s + 0.852·15-s + 1.05·16-s + 0.686·17-s + 0.507·18-s − 0.991·19-s − 2.04·20-s − 0.317·21-s + 2.83·22-s + 1.45·23-s + 1.48·24-s + 0.0277·25-s − 1.55·26-s + 1.08·27-s + 0.763·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 287 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 287 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(287\)    =    \(7 \cdot 41\)
Sign: $1$
Analytic conductor: \(2.29170\)
Root analytic conductor: \(1.51383\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 287,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(0.2903739202\)
\(L(\frac12)\) \(\approx\) \(0.2903739202\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad7 \( 1 - T \)
41 \( 1 + T \)
good2 \( 1 + 2.45T + 2T^{2} \)
3 \( 1 + 1.45T + 3T^{2} \)
5 \( 1 + 2.26T + 5T^{2} \)
11 \( 1 + 5.41T + 11T^{2} \)
13 \( 1 - 3.23T + 13T^{2} \)
17 \( 1 - 2.83T + 17T^{2} \)
19 \( 1 + 4.32T + 19T^{2} \)
23 \( 1 - 6.99T + 23T^{2} \)
29 \( 1 - 8.06T + 29T^{2} \)
31 \( 1 - 9.18T + 31T^{2} \)
37 \( 1 + 0.0469T + 37T^{2} \)
43 \( 1 + 6.31T + 43T^{2} \)
47 \( 1 - 5.26T + 47T^{2} \)
53 \( 1 - 6.43T + 53T^{2} \)
59 \( 1 - 2.45T + 59T^{2} \)
61 \( 1 - 5.28T + 61T^{2} \)
67 \( 1 + 8.78T + 67T^{2} \)
71 \( 1 + 12.1T + 71T^{2} \)
73 \( 1 - 2.42T + 73T^{2} \)
79 \( 1 - 4.92T + 79T^{2} \)
83 \( 1 + 1.63T + 83T^{2} \)
89 \( 1 - 1.68T + 89T^{2} \)
97 \( 1 - 18.8T + 97T^{2} \)
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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

−11.48333187062034987809492442144, −10.66554985586944263322166848171, −10.27560296422064619567956484933, −8.563042170267677692501149210481, −8.283654623206777274522701540659, −7.28149089418569982058126056153, −6.17672496003488421851200138784, −4.84408699077168244684712137493, −2.82884019367828247457485707808, −0.73191370301457273616976090242, 0.73191370301457273616976090242, 2.82884019367828247457485707808, 4.84408699077168244684712137493, 6.17672496003488421851200138784, 7.28149089418569982058126056153, 8.283654623206777274522701540659, 8.563042170267677692501149210481, 10.27560296422064619567956484933, 10.66554985586944263322166848171, 11.48333187062034987809492442144

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