Properties

Label 2-1287-1.1-c1-0-42
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  + 2.41·2-s + 3.82·4-s + 3.41·5-s + 0.828·7-s + 4.41·8-s + 8.24·10-s − 11-s − 13-s + 1.99·14-s + 2.99·16-s + 2.58·17-s − 6·19-s + 13.0·20-s − 2.41·22-s − 4.82·23-s + 6.65·25-s − 2.41·26-s + 3.17·28-s + 4.24·29-s − 4.24·31-s − 1.58·32-s + 6.24·34-s + 2.82·35-s − 3.65·37-s − 14.4·38-s + 15.0·40-s + 12·41-s + ⋯
L(s)  = 1  + 1.70·2-s + 1.91·4-s + 1.52·5-s + 0.313·7-s + 1.56·8-s + 2.60·10-s − 0.301·11-s − 0.277·13-s + 0.534·14-s + 0.749·16-s + 0.627·17-s − 1.37·19-s + 2.92·20-s − 0.514·22-s − 1.00·23-s + 1.33·25-s − 0.473·26-s + 0.599·28-s + 0.787·29-s − 0.762·31-s − 0.280·32-s + 1.07·34-s + 0.478·35-s − 0.601·37-s − 2.34·38-s + 2.38·40-s + 1.87·41-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

\(L(1)\) \(\approx\) \(5.558216059\)
\(L(\frac12)\) \(\approx\) \(5.558216059\)
\(L(\frac{3}{2})\) 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 \( 1 - 2.41T + 2T^{2} \)
5 \( 1 - 3.41T + 5T^{2} \)
7 \( 1 - 0.828T + 7T^{2} \)
17 \( 1 - 2.58T + 17T^{2} \)
19 \( 1 + 6T + 19T^{2} \)
23 \( 1 + 4.82T + 23T^{2} \)
29 \( 1 - 4.24T + 29T^{2} \)
31 \( 1 + 4.24T + 31T^{2} \)
37 \( 1 + 3.65T + 37T^{2} \)
41 \( 1 - 12T + 41T^{2} \)
43 \( 1 + 9.07T + 43T^{2} \)
47 \( 1 + 8.48T + 47T^{2} \)
53 \( 1 - 9.31T + 53T^{2} \)
59 \( 1 - 5.17T + 59T^{2} \)
61 \( 1 + 2T + 61T^{2} \)
67 \( 1 - 11.0T + 67T^{2} \)
71 \( 1 + 5.65T + 71T^{2} \)
73 \( 1 + 4.48T + 73T^{2} \)
79 \( 1 - 5.07T + 79T^{2} \)
83 \( 1 - 11.3T + 83T^{2} \)
89 \( 1 - 12.5T + 89T^{2} \)
97 \( 1 - 10T + 97T^{2} \)
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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

−9.972943451852509082524214690159, −8.897534972824754653844045061365, −7.81670996958978331703080215918, −6.65037286860530378352900910304, −6.13342030936368979702987114947, −5.37154642318180008033680917108, −4.73775209357028540215389142677, −3.66109520000920906804419843151, −2.48647326540155919468286844903, −1.84358501593279562301464740504, 1.84358501593279562301464740504, 2.48647326540155919468286844903, 3.66109520000920906804419843151, 4.73775209357028540215389142677, 5.37154642318180008033680917108, 6.13342030936368979702987114947, 6.65037286860530378352900910304, 7.81670996958978331703080215918, 8.897534972824754653844045061365, 9.972943451852509082524214690159

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