Properties

Label 2-287-1.1-c1-0-14
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 $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 1.61·2-s + 0.618·3-s + 0.618·4-s − 0.618·5-s − 1.00·6-s − 7-s + 2.23·8-s − 2.61·9-s + 1.00·10-s − 11-s + 0.381·12-s − 1.76·13-s + 1.61·14-s − 0.381·15-s − 4.85·16-s + 0.236·17-s + 4.23·18-s − 3.85·19-s − 0.381·20-s − 0.618·21-s + 1.61·22-s − 1.38·23-s + 1.38·24-s − 4.61·25-s + 2.85·26-s − 3.47·27-s − 0.618·28-s + ⋯
L(s)  = 1  − 1.14·2-s + 0.356·3-s + 0.309·4-s − 0.276·5-s − 0.408·6-s − 0.377·7-s + 0.790·8-s − 0.872·9-s + 0.316·10-s − 0.301·11-s + 0.110·12-s − 0.489·13-s + 0.432·14-s − 0.0986·15-s − 1.21·16-s + 0.0572·17-s + 0.998·18-s − 0.884·19-s − 0.0854·20-s − 0.134·21-s + 0.344·22-s − 0.288·23-s + 0.282·24-s − 0.923·25-s + 0.559·26-s − 0.668·27-s − 0.116·28-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: \(1\)
Selberg data: \((2,\ 287,\ (\ :1/2),\ -1)\)

Particular Values

\(L(1)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{3}{2})\) 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 \( 1 + 1.61T + 2T^{2} \)
3 \( 1 - 0.618T + 3T^{2} \)
5 \( 1 + 0.618T + 5T^{2} \)
11 \( 1 + T + 11T^{2} \)
13 \( 1 + 1.76T + 13T^{2} \)
17 \( 1 - 0.236T + 17T^{2} \)
19 \( 1 + 3.85T + 19T^{2} \)
23 \( 1 + 1.38T + 23T^{2} \)
29 \( 1 - 0.854T + 29T^{2} \)
31 \( 1 + 3.09T + 31T^{2} \)
37 \( 1 + 7.23T + 37T^{2} \)
43 \( 1 + T + 43T^{2} \)
47 \( 1 + 3.70T + 47T^{2} \)
53 \( 1 - 4.61T + 53T^{2} \)
59 \( 1 - 10.6T + 59T^{2} \)
61 \( 1 - 0.527T + 61T^{2} \)
67 \( 1 + 0.909T + 67T^{2} \)
71 \( 1 - 11.9T + 71T^{2} \)
73 \( 1 - 7.94T + 73T^{2} \)
79 \( 1 - 1.70T + 79T^{2} \)
83 \( 1 - 3.47T + 83T^{2} \)
89 \( 1 - 6.32T + 89T^{2} \)
97 \( 1 + 17.5T + 97T^{2} \)
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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

−11.08267367468802642398819168410, −10.19800128145452940706623265426, −9.359695630173813234106596060774, −8.489232094052008884558852424876, −7.85168181858551961766210150419, −6.73666697600104912432448076844, −5.29805219343833053366075221404, −3.81217979207927878359753821501, −2.23799494825827285624372484241, 0, 2.23799494825827285624372484241, 3.81217979207927878359753821501, 5.29805219343833053366075221404, 6.73666697600104912432448076844, 7.85168181858551961766210150419, 8.489232094052008884558852424876, 9.359695630173813234106596060774, 10.19800128145452940706623265426, 11.08267367468802642398819168410

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