Properties

Label 2-287-287.286-c2-0-13
Degree $2$
Conductor $287$
Sign $1$
Analytic cond. $7.82018$
Root an. cond. $2.79645$
Motivic weight $2$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 0.0693·2-s − 4.10·3-s − 3.99·4-s − 0.284·6-s − 7·7-s − 0.554·8-s + 7.81·9-s + 16.3·12-s − 25.5·13-s − 0.485·14-s + 15.9·16-s + 31.0·17-s + 0.542·18-s − 17.3·19-s + 28.7·21-s + 27.0·23-s + 2.27·24-s + 25·25-s − 1.76·26-s + 4.86·27-s + 27.9·28-s + 3.32·32-s + 2.15·34-s − 31.2·36-s − 26.6·37-s − 1.20·38-s + 104.·39-s + ⋯
L(s)  = 1  + 0.0346·2-s − 1.36·3-s − 0.998·4-s − 0.0474·6-s − 7-s − 0.0693·8-s + 0.868·9-s + 1.36·12-s − 1.96·13-s − 0.0346·14-s + 0.996·16-s + 1.82·17-s + 0.0301·18-s − 0.911·19-s + 1.36·21-s + 1.17·23-s + 0.0947·24-s + 25-s − 0.0680·26-s + 0.180·27-s + 0.998·28-s + 0.103·32-s + 0.0634·34-s − 0.867·36-s − 0.719·37-s − 0.0316·38-s + 2.68·39-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 287 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 287 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(287\)    =    \(7 \cdot 41\)
Sign: $1$
Analytic conductor: \(7.82018\)
Root analytic conductor: \(2.79645\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{287} (286, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 287,\ (\ :1),\ 1)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(0.4559029599\)
\(L(\frac12)\) \(\approx\) \(0.4559029599\)
\(L(2)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad7 \( 1 + 7T \)
41 \( 1 - 41T \)
good2 \( 1 - 0.0693T + 4T^{2} \)
3 \( 1 + 4.10T + 9T^{2} \)
5 \( 1 - 25T^{2} \)
11 \( 1 - 121T^{2} \)
13 \( 1 + 25.5T + 169T^{2} \)
17 \( 1 - 31.0T + 289T^{2} \)
19 \( 1 + 17.3T + 361T^{2} \)
23 \( 1 - 27.0T + 529T^{2} \)
29 \( 1 - 841T^{2} \)
31 \( 1 - 961T^{2} \)
37 \( 1 + 26.6T + 1.36e3T^{2} \)
43 \( 1 + 72.3T + 1.84e3T^{2} \)
47 \( 1 + 23.8T + 2.20e3T^{2} \)
53 \( 1 - 2.80e3T^{2} \)
59 \( 1 - 3.48e3T^{2} \)
61 \( 1 - 3.72e3T^{2} \)
67 \( 1 - 4.48e3T^{2} \)
71 \( 1 - 5.04e3T^{2} \)
73 \( 1 - 5.32e3T^{2} \)
79 \( 1 - 6.24e3T^{2} \)
83 \( 1 - 6.88e3T^{2} \)
89 \( 1 - 177.T + 7.92e3T^{2} \)
97 \( 1 - 95.9T + 9.40e3T^{2} \)
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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

−11.83942720411717743870067613728, −10.41210876599540241461403358896, −9.968181078040890186603489244601, −8.969156834686473878443193785857, −7.52537404923291605190572421083, −6.49932360745098238835953774378, −5.35667300140548979292496920336, −4.78019594529829108896004563810, −3.19822775608545646370322877835, −0.57778164861474880804161102853, 0.57778164861474880804161102853, 3.19822775608545646370322877835, 4.78019594529829108896004563810, 5.35667300140548979292496920336, 6.49932360745098238835953774378, 7.52537404923291605190572421083, 8.969156834686473878443193785857, 9.968181078040890186603489244601, 10.41210876599540241461403358896, 11.83942720411717743870067613728

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