Properties

Label 2-3e8-1.1-c1-0-49
Degree $2$
Conductor $6561$
Sign $1$
Analytic cond. $52.3898$
Root an. cond. $7.23808$
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  + 2.11·2-s + 2.47·4-s − 3.89·5-s − 3.33·7-s + 1.00·8-s − 8.23·10-s − 0.756·11-s + 2.48·13-s − 7.05·14-s − 2.82·16-s − 0.745·17-s − 4.48·19-s − 9.64·20-s − 1.60·22-s + 2.28·23-s + 10.1·25-s + 5.26·26-s − 8.25·28-s − 0.463·29-s − 3.94·31-s − 7.98·32-s − 1.57·34-s + 12.9·35-s − 4.75·37-s − 9.49·38-s − 3.92·40-s − 4.89·41-s + ⋯
L(s)  = 1  + 1.49·2-s + 1.23·4-s − 1.74·5-s − 1.26·7-s + 0.356·8-s − 2.60·10-s − 0.228·11-s + 0.689·13-s − 1.88·14-s − 0.705·16-s − 0.180·17-s − 1.02·19-s − 2.15·20-s − 0.341·22-s + 0.476·23-s + 2.03·25-s + 1.03·26-s − 1.56·28-s − 0.0861·29-s − 0.708·31-s − 1.41·32-s − 0.270·34-s + 2.19·35-s − 0.781·37-s − 1.54·38-s − 0.620·40-s − 0.764·41-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 6561 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 6561 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(6561\)    =    \(3^{8}\)
Sign: $1$
Analytic conductor: \(52.3898\)
Root analytic conductor: \(7.23808\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 6561,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.721136108\)
\(L(\frac12)\) \(\approx\) \(1.721136108\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 \)
good2 \( 1 - 2.11T + 2T^{2} \)
5 \( 1 + 3.89T + 5T^{2} \)
7 \( 1 + 3.33T + 7T^{2} \)
11 \( 1 + 0.756T + 11T^{2} \)
13 \( 1 - 2.48T + 13T^{2} \)
17 \( 1 + 0.745T + 17T^{2} \)
19 \( 1 + 4.48T + 19T^{2} \)
23 \( 1 - 2.28T + 23T^{2} \)
29 \( 1 + 0.463T + 29T^{2} \)
31 \( 1 + 3.94T + 31T^{2} \)
37 \( 1 + 4.75T + 37T^{2} \)
41 \( 1 + 4.89T + 41T^{2} \)
43 \( 1 - 5.94T + 43T^{2} \)
47 \( 1 - 10.7T + 47T^{2} \)
53 \( 1 - 11.5T + 53T^{2} \)
59 \( 1 - 4.14T + 59T^{2} \)
61 \( 1 - 0.267T + 61T^{2} \)
67 \( 1 + 1.91T + 67T^{2} \)
71 \( 1 + 6.75T + 71T^{2} \)
73 \( 1 - 7.93T + 73T^{2} \)
79 \( 1 - 4.31T + 79T^{2} \)
83 \( 1 - 2.54T + 83T^{2} \)
89 \( 1 - 5.38T + 89T^{2} \)
97 \( 1 - 9.48T + 97T^{2} \)
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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

−7.73451747357971939363263351326, −7.05225589645685705699392673005, −6.55625005831177676402676370210, −5.81401789740620923539077255645, −4.99315508697583561609332208344, −4.13970210141085366603264074272, −3.74740370253773752547467205833, −3.22327456693995035381506926655, −2.34576838390782889459587935517, −0.50691068827284321942920618832, 0.50691068827284321942920618832, 2.34576838390782889459587935517, 3.22327456693995035381506926655, 3.74740370253773752547467205833, 4.13970210141085366603264074272, 4.99315508697583561609332208344, 5.81401789740620923539077255645, 6.55625005831177676402676370210, 7.05225589645685705699392673005, 7.73451747357971939363263351326

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