Properties

Label 2-1247-1.1-c1-0-89
Degree $2$
Conductor $1247$
Sign $-1$
Analytic cond. $9.95734$
Root an. cond. $3.15552$
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  + 1.85·2-s − 1.80·3-s + 1.45·4-s + 1.78·5-s − 3.36·6-s + 0.455·7-s − 1.01·8-s + 0.272·9-s + 3.31·10-s − 5.17·11-s − 2.63·12-s − 1.30·13-s + 0.846·14-s − 3.23·15-s − 4.79·16-s − 4.60·17-s + 0.506·18-s + 4.74·19-s + 2.59·20-s − 0.823·21-s − 9.62·22-s − 5.20·23-s + 1.83·24-s − 1.81·25-s − 2.41·26-s + 4.93·27-s + 0.662·28-s + ⋯
L(s)  = 1  + 1.31·2-s − 1.04·3-s + 0.727·4-s + 0.798·5-s − 1.37·6-s + 0.172·7-s − 0.358·8-s + 0.0907·9-s + 1.04·10-s − 1.56·11-s − 0.759·12-s − 0.360·13-s + 0.226·14-s − 0.834·15-s − 1.19·16-s − 1.11·17-s + 0.119·18-s + 1.08·19-s + 0.580·20-s − 0.179·21-s − 2.05·22-s − 1.08·23-s + 0.374·24-s − 0.362·25-s − 0.474·26-s + 0.949·27-s + 0.125·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1247 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1247 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1247\)    =    \(29 \cdot 43\)
Sign: $-1$
Analytic conductor: \(9.95734\)
Root analytic conductor: \(3.15552\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 1247,\ (\ :1/2),\ -1)\)

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)$
bad29 \( 1 + T \)
43 \( 1 + T \)
good2 \( 1 - 1.85T + 2T^{2} \)
3 \( 1 + 1.80T + 3T^{2} \)
5 \( 1 - 1.78T + 5T^{2} \)
7 \( 1 - 0.455T + 7T^{2} \)
11 \( 1 + 5.17T + 11T^{2} \)
13 \( 1 + 1.30T + 13T^{2} \)
17 \( 1 + 4.60T + 17T^{2} \)
19 \( 1 - 4.74T + 19T^{2} \)
23 \( 1 + 5.20T + 23T^{2} \)
31 \( 1 - 6.60T + 31T^{2} \)
37 \( 1 + 10.7T + 37T^{2} \)
41 \( 1 - 5.60T + 41T^{2} \)
47 \( 1 - 1.78T + 47T^{2} \)
53 \( 1 - 7.09T + 53T^{2} \)
59 \( 1 + 5.57T + 59T^{2} \)
61 \( 1 + 8.43T + 61T^{2} \)
67 \( 1 + 14.5T + 67T^{2} \)
71 \( 1 - 5.21T + 71T^{2} \)
73 \( 1 - 1.35T + 73T^{2} \)
79 \( 1 + 1.04T + 79T^{2} \)
83 \( 1 - 13.4T + 83T^{2} \)
89 \( 1 + 9.95T + 89T^{2} \)
97 \( 1 + 8.45T + 97T^{2} \)
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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

−9.517251309167640902887008610366, −8.422812899956491107547662892800, −7.32025708658662440536691118497, −6.28152078912646571787749899366, −5.73461205200168908817007162242, −5.11808053528646051160511238754, −4.50054528416006708573109244415, −3.07898672675033456936826011460, −2.15755206147203020297751487782, 0, 2.15755206147203020297751487782, 3.07898672675033456936826011460, 4.50054528416006708573109244415, 5.11808053528646051160511238754, 5.73461205200168908817007162242, 6.28152078912646571787749899366, 7.32025708658662440536691118497, 8.422812899956491107547662892800, 9.517251309167640902887008610366

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