Properties

Label 2-1287-1.1-c1-0-0
Degree $2$
Conductor $1287$
Sign $1$
Analytic cond. $10.2767$
Root an. cond. $3.20573$
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  + 0.633·2-s − 1.59·4-s − 4.04·5-s − 3.23·7-s − 2.27·8-s − 2.55·10-s + 11-s + 13-s − 2.04·14-s + 1.75·16-s − 1.26·17-s − 3.76·19-s + 6.46·20-s + 0.633·22-s + 4.00·23-s + 11.3·25-s + 0.633·26-s + 5.17·28-s − 2.63·29-s − 3.14·31-s + 5.66·32-s − 0.801·34-s + 13.0·35-s − 8.50·37-s − 2.38·38-s + 9.21·40-s + 10.4·41-s + ⋯
L(s)  = 1  + 0.447·2-s − 0.799·4-s − 1.80·5-s − 1.22·7-s − 0.805·8-s − 0.809·10-s + 0.301·11-s + 0.277·13-s − 0.547·14-s + 0.439·16-s − 0.307·17-s − 0.863·19-s + 1.44·20-s + 0.134·22-s + 0.834·23-s + 2.26·25-s + 0.124·26-s + 0.978·28-s − 0.490·29-s − 0.564·31-s + 1.00·32-s − 0.137·34-s + 2.21·35-s − 1.39·37-s − 0.386·38-s + 1.45·40-s + 1.62·41-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1287 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1287 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1287\)    =    \(3^{2} \cdot 11 \cdot 13\)
Sign: $1$
Analytic conductor: \(10.2767\)
Root analytic conductor: \(3.20573\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1287,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(0.6046779093\)
\(L(\frac12)\) \(\approx\) \(0.6046779093\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 \)
11 \( 1 - T \)
13 \( 1 - T \)
good2 \( 1 - 0.633T + 2T^{2} \)
5 \( 1 + 4.04T + 5T^{2} \)
7 \( 1 + 3.23T + 7T^{2} \)
17 \( 1 + 1.26T + 17T^{2} \)
19 \( 1 + 3.76T + 19T^{2} \)
23 \( 1 - 4.00T + 23T^{2} \)
29 \( 1 + 2.63T + 29T^{2} \)
31 \( 1 + 3.14T + 31T^{2} \)
37 \( 1 + 8.50T + 37T^{2} \)
41 \( 1 - 10.4T + 41T^{2} \)
43 \( 1 - 5.18T + 43T^{2} \)
47 \( 1 - 3.82T + 47T^{2} \)
53 \( 1 + 0.485T + 53T^{2} \)
59 \( 1 + 12.8T + 59T^{2} \)
61 \( 1 - 13.9T + 61T^{2} \)
67 \( 1 - 11.2T + 67T^{2} \)
71 \( 1 - 3.39T + 71T^{2} \)
73 \( 1 + 1.58T + 73T^{2} \)
79 \( 1 - 4.63T + 79T^{2} \)
83 \( 1 + 9.85T + 83T^{2} \)
89 \( 1 - 6.51T + 89T^{2} \)
97 \( 1 - 9.69T + 97T^{2} \)
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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

−9.395503525509788681546944150370, −8.896961625077819475229112281041, −8.104919505801533270796432640337, −7.16237873070519967576990894468, −6.41445104575625123408244370104, −5.29482209324596650688706833037, −4.18144442116717768894644706712, −3.80133361877218163113457336364, −2.94571841820981767046666092620, −0.51682816302529156252111322005, 0.51682816302529156252111322005, 2.94571841820981767046666092620, 3.80133361877218163113457336364, 4.18144442116717768894644706712, 5.29482209324596650688706833037, 6.41445104575625123408244370104, 7.16237873070519967576990894468, 8.104919505801533270796432640337, 8.896961625077819475229112281041, 9.395503525509788681546944150370

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