Properties

Label 2-21e2-1.1-c7-0-73
Degree $2$
Conductor $441$
Sign $-1$
Analytic cond. $137.761$
Root an. cond. $11.7371$
Motivic weight $7$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 3.18·2-s − 117.·4-s + 0.588·5-s + 783.·8-s − 1.87·10-s + 1.19e3·11-s + 7.65e3·13-s + 1.25e4·16-s − 3.51e4·17-s − 8.57e3·19-s − 69.4·20-s − 3.82e3·22-s − 7.87e4·23-s − 7.81e4·25-s − 2.43e4·26-s + 1.99e5·29-s + 1.37e5·31-s − 1.40e5·32-s + 1.12e5·34-s + 9.00e4·37-s + 2.73e4·38-s + 461.·40-s + 2.69e5·41-s + 6.02e5·43-s − 1.41e5·44-s + 2.50e5·46-s + 3.84e5·47-s + ⋯
L(s)  = 1  − 0.281·2-s − 0.920·4-s + 0.00210·5-s + 0.540·8-s − 0.000593·10-s + 0.271·11-s + 0.965·13-s + 0.768·16-s − 1.73·17-s − 0.286·19-s − 0.00194·20-s − 0.0765·22-s − 1.34·23-s − 0.999·25-s − 0.271·26-s + 1.52·29-s + 0.826·31-s − 0.757·32-s + 0.489·34-s + 0.292·37-s + 0.0807·38-s + 0.00113·40-s + 0.610·41-s + 1.15·43-s − 0.250·44-s + 0.379·46-s + 0.540·47-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 441 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(8-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 441 ^{s/2} \, \Gamma_{\C}(s+7/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(441\)    =    \(3^{2} \cdot 7^{2}\)
Sign: $-1$
Analytic conductor: \(137.761\)
Root analytic conductor: \(11.7371\)
Motivic weight: \(7\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 441,\ (\ :7/2),\ -1)\)

Particular Values

\(L(4)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{9}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 \)
7 \( 1 \)
good2 \( 1 + 3.18T + 128T^{2} \)
5 \( 1 - 0.588T + 7.81e4T^{2} \)
11 \( 1 - 1.19e3T + 1.94e7T^{2} \)
13 \( 1 - 7.65e3T + 6.27e7T^{2} \)
17 \( 1 + 3.51e4T + 4.10e8T^{2} \)
19 \( 1 + 8.57e3T + 8.93e8T^{2} \)
23 \( 1 + 7.87e4T + 3.40e9T^{2} \)
29 \( 1 - 1.99e5T + 1.72e10T^{2} \)
31 \( 1 - 1.37e5T + 2.75e10T^{2} \)
37 \( 1 - 9.00e4T + 9.49e10T^{2} \)
41 \( 1 - 2.69e5T + 1.94e11T^{2} \)
43 \( 1 - 6.02e5T + 2.71e11T^{2} \)
47 \( 1 - 3.84e5T + 5.06e11T^{2} \)
53 \( 1 + 6.64e5T + 1.17e12T^{2} \)
59 \( 1 - 2.30e6T + 2.48e12T^{2} \)
61 \( 1 - 8.99e5T + 3.14e12T^{2} \)
67 \( 1 - 2.37e4T + 6.06e12T^{2} \)
71 \( 1 + 2.52e6T + 9.09e12T^{2} \)
73 \( 1 - 3.52e6T + 1.10e13T^{2} \)
79 \( 1 - 4.63e6T + 1.92e13T^{2} \)
83 \( 1 + 7.71e6T + 2.71e13T^{2} \)
89 \( 1 + 8.78e6T + 4.42e13T^{2} \)
97 \( 1 - 4.42e6T + 8.07e13T^{2} \)
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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

−9.425287730166470657339141505930, −8.586679610951282419413898181870, −8.016308538294000740722753658337, −6.64788275573201067224946040617, −5.80065730461907802958066541318, −4.44011476455477270870109067704, −3.94639904877733401403592233090, −2.35755624612048212296137938252, −1.07011418148179243069892446338, 0, 1.07011418148179243069892446338, 2.35755624612048212296137938252, 3.94639904877733401403592233090, 4.44011476455477270870109067704, 5.80065730461907802958066541318, 6.64788275573201067224946040617, 8.016308538294000740722753658337, 8.586679610951282419413898181870, 9.425287730166470657339141505930

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