Properties

Label 2-287-1.1-c1-0-17
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  + 2.01·2-s + 1.86·3-s + 2.07·4-s − 0.244·5-s + 3.75·6-s − 7-s + 0.158·8-s + 0.462·9-s − 0.493·10-s + 2.58·11-s + 3.86·12-s − 6.33·13-s − 2.01·14-s − 0.454·15-s − 3.83·16-s − 0.782·17-s + 0.933·18-s + 5.67·19-s − 0.508·20-s − 1.86·21-s + 5.21·22-s + 5.86·23-s + 0.295·24-s − 4.94·25-s − 12.8·26-s − 4.72·27-s − 2.07·28-s + ⋯
L(s)  = 1  + 1.42·2-s + 1.07·3-s + 1.03·4-s − 0.109·5-s + 1.53·6-s − 0.377·7-s + 0.0561·8-s + 0.154·9-s − 0.156·10-s + 0.778·11-s + 1.11·12-s − 1.75·13-s − 0.539·14-s − 0.117·15-s − 0.959·16-s − 0.189·17-s + 0.220·18-s + 1.30·19-s − 0.113·20-s − 0.406·21-s + 1.11·22-s + 1.22·23-s + 0.0603·24-s − 0.988·25-s − 2.51·26-s − 0.908·27-s − 0.392·28-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

\(L(1)\) \(\approx\) \(3.092578689\)
\(L(\frac12)\) \(\approx\) \(3.092578689\)
\(L(\frac{3}{2})\) 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 \( 1 - 2.01T + 2T^{2} \)
3 \( 1 - 1.86T + 3T^{2} \)
5 \( 1 + 0.244T + 5T^{2} \)
11 \( 1 - 2.58T + 11T^{2} \)
13 \( 1 + 6.33T + 13T^{2} \)
17 \( 1 + 0.782T + 17T^{2} \)
19 \( 1 - 5.67T + 19T^{2} \)
23 \( 1 - 5.86T + 23T^{2} \)
29 \( 1 - 3.90T + 29T^{2} \)
31 \( 1 + 0.680T + 31T^{2} \)
37 \( 1 - 2.19T + 37T^{2} \)
43 \( 1 - 11.3T + 43T^{2} \)
47 \( 1 + 6.72T + 47T^{2} \)
53 \( 1 - 4.12T + 53T^{2} \)
59 \( 1 + 8.88T + 59T^{2} \)
61 \( 1 + 9.26T + 61T^{2} \)
67 \( 1 - 9.47T + 67T^{2} \)
71 \( 1 - 6.21T + 71T^{2} \)
73 \( 1 - 14.6T + 73T^{2} \)
79 \( 1 + 10.6T + 79T^{2} \)
83 \( 1 + 4.05T + 83T^{2} \)
89 \( 1 + 6.12T + 89T^{2} \)
97 \( 1 - 6.54T + 97T^{2} \)
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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

−12.13448744382071344717011467585, −11.31306343887790518395001543688, −9.647489797353992897380013197700, −9.161629080693397784256888495126, −7.73753409763952379454113442994, −6.83221139194141177972383629950, −5.54542361702429454275172415652, −4.46345831168935850252696587765, −3.33620011226421082636492671267, −2.51833126683717104335404106352, 2.51833126683717104335404106352, 3.33620011226421082636492671267, 4.46345831168935850252696587765, 5.54542361702429454275172415652, 6.83221139194141177972383629950, 7.73753409763952379454113442994, 9.161629080693397784256888495126, 9.647489797353992897380013197700, 11.31306343887790518395001543688, 12.13448744382071344717011467585

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