Properties

Label 2-287-287.286-c2-0-14
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  − 3.91·2-s − 5.59·3-s + 11.3·4-s + 21.9·6-s + 7·7-s − 28.6·8-s + 22.3·9-s − 63.3·12-s − 10.6·13-s − 27.4·14-s + 66.9·16-s − 8.62·17-s − 87.3·18-s − 15.6·19-s − 39.1·21-s − 8.23·23-s + 160.·24-s + 25·25-s + 41.5·26-s − 74.4·27-s + 79.2·28-s − 147.·32-s + 33.7·34-s + 252.·36-s + 73.2·37-s + 61.2·38-s + 59.3·39-s + ⋯
L(s)  = 1  − 1.95·2-s − 1.86·3-s + 2.83·4-s + 3.65·6-s + 7-s − 3.58·8-s + 2.47·9-s − 5.27·12-s − 0.815·13-s − 1.95·14-s + 4.18·16-s − 0.507·17-s − 4.85·18-s − 0.823·19-s − 1.86·21-s − 0.358·23-s + 6.68·24-s + 25-s + 1.59·26-s − 2.75·27-s + 2.83·28-s − 4.60·32-s + 0.993·34-s + 7.01·36-s + 1.97·37-s + 1.61·38-s + 1.52·39-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

\(L(\frac{3}{2})\) \(\approx\) \(0.3132582388\)
\(L(\frac12)\) \(\approx\) \(0.3132582388\)
\(L(2)\) 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 \( 1 + 3.91T + 4T^{2} \)
3 \( 1 + 5.59T + 9T^{2} \)
5 \( 1 - 25T^{2} \)
11 \( 1 - 121T^{2} \)
13 \( 1 + 10.6T + 169T^{2} \)
17 \( 1 + 8.62T + 289T^{2} \)
19 \( 1 + 15.6T + 361T^{2} \)
23 \( 1 + 8.23T + 529T^{2} \)
29 \( 1 - 841T^{2} \)
31 \( 1 - 961T^{2} \)
37 \( 1 - 73.2T + 1.36e3T^{2} \)
43 \( 1 + 81.4T + 1.84e3T^{2} \)
47 \( 1 - 83.3T + 2.20e3T^{2} \)
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 \( 1 - 42.9T + 7.92e3T^{2} \)
97 \( 1 - 159.T + 9.40e3T^{2} \)
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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

−11.36352694608000281388806069325, −10.57900797427342075497194776102, −10.02066613110187588019382922402, −8.803167959641116131950551495064, −7.68428145308919603804676311021, −6.86590931150006811970774793054, −6.00720526215114104098249464801, −4.76861295400151735513184941129, −1.99634797256106063676769407557, −0.66865295643309513387791194345, 0.66865295643309513387791194345, 1.99634797256106063676769407557, 4.76861295400151735513184941129, 6.00720526215114104098249464801, 6.86590931150006811970774793054, 7.68428145308919603804676311021, 8.803167959641116131950551495064, 10.02066613110187588019382922402, 10.57900797427342075497194776102, 11.36352694608000281388806069325

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