Properties

Label 2-1287-1.1-c1-0-31
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 $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 0.178·2-s − 1.96·4-s − 2.75·5-s + 3.42·7-s − 0.707·8-s − 0.490·10-s + 11-s + 13-s + 0.611·14-s + 3.81·16-s − 2.82·17-s − 1.24·19-s + 5.41·20-s + 0.178·22-s − 3.70·23-s + 2.57·25-s + 0.178·26-s − 6.74·28-s + 2.18·29-s − 0.285·31-s + 2.09·32-s − 0.503·34-s − 9.43·35-s − 6.16·37-s − 0.221·38-s + 1.94·40-s − 5.67·41-s + ⋯
L(s)  = 1  + 0.126·2-s − 0.984·4-s − 1.23·5-s + 1.29·7-s − 0.250·8-s − 0.155·10-s + 0.301·11-s + 0.277·13-s + 0.163·14-s + 0.952·16-s − 0.684·17-s − 0.285·19-s + 1.21·20-s + 0.0380·22-s − 0.772·23-s + 0.514·25-s + 0.0349·26-s − 1.27·28-s + 0.404·29-s − 0.0513·31-s + 0.370·32-s − 0.0863·34-s − 1.59·35-s − 1.01·37-s − 0.0359·38-s + 0.307·40-s − 0.886·41-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: \(1\)
Selberg data: \((2,\ 1287,\ (\ :1/2),\ -1)\)

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)$
bad3 \( 1 \)
11 \( 1 - T \)
13 \( 1 - T \)
good2 \( 1 - 0.178T + 2T^{2} \)
5 \( 1 + 2.75T + 5T^{2} \)
7 \( 1 - 3.42T + 7T^{2} \)
17 \( 1 + 2.82T + 17T^{2} \)
19 \( 1 + 1.24T + 19T^{2} \)
23 \( 1 + 3.70T + 23T^{2} \)
29 \( 1 - 2.18T + 29T^{2} \)
31 \( 1 + 0.285T + 31T^{2} \)
37 \( 1 + 6.16T + 37T^{2} \)
41 \( 1 + 5.67T + 41T^{2} \)
43 \( 1 + 1.42T + 43T^{2} \)
47 \( 1 + 2.68T + 47T^{2} \)
53 \( 1 + 7.75T + 53T^{2} \)
59 \( 1 - 4.12T + 59T^{2} \)
61 \( 1 + 3.85T + 61T^{2} \)
67 \( 1 + 8.93T + 67T^{2} \)
71 \( 1 + 16.4T + 71T^{2} \)
73 \( 1 - 7.00T + 73T^{2} \)
79 \( 1 - 2.26T + 79T^{2} \)
83 \( 1 + 18.1T + 83T^{2} \)
89 \( 1 + 8.71T + 89T^{2} \)
97 \( 1 - 0.384T + 97T^{2} \)
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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

−8.979291672483124657332809866931, −8.357332328457423596773685434542, −7.936954979820251399110271365619, −6.93209209366700847219501572539, −5.71233029527627063721463685835, −4.65917021690792211883391473371, −4.28014265944518641385285620170, −3.32585060232600691530651279657, −1.59425363930883473799195217028, 0, 1.59425363930883473799195217028, 3.32585060232600691530651279657, 4.28014265944518641385285620170, 4.65917021690792211883391473371, 5.71233029527627063721463685835, 6.93209209366700847219501572539, 7.936954979820251399110271365619, 8.357332328457423596773685434542, 8.979291672483124657332809866931

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