Properties

Label 2-21e2-7.6-c6-0-2
Degree $2$
Conductor $441$
Sign $-0.755 + 0.654i$
Analytic cond. $101.453$
Root an. cond. $10.0724$
Motivic weight $6$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 3.60·2-s − 50.9·4-s + 83.0i·5-s − 414.·8-s + 299. i·10-s + 442.·11-s − 696. i·13-s + 1.76e3·16-s + 6.28e3i·17-s + 2.68e3i·19-s − 4.23e3i·20-s + 1.59e3·22-s − 1.57e4·23-s + 8.72e3·25-s − 2.51e3i·26-s + ⋯
L(s)  = 1  + 0.450·2-s − 0.796·4-s + 0.664i·5-s − 0.810·8-s + 0.299i·10-s + 0.332·11-s − 0.317i·13-s + 0.431·16-s + 1.28i·17-s + 0.391i·19-s − 0.529i·20-s + 0.149·22-s − 1.29·23-s + 0.558·25-s − 0.142i·26-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 441 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.755 + 0.654i)\, \overline{\Lambda}(7-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 441 ^{s/2} \, \Gamma_{\C}(s+3) \, L(s)\cr =\mathstrut & (-0.755 + 0.654i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(441\)    =    \(3^{2} \cdot 7^{2}\)
Sign: $-0.755 + 0.654i$
Analytic conductor: \(101.453\)
Root analytic conductor: \(10.0724\)
Motivic weight: \(6\)
Rational: no
Arithmetic: yes
Character: $\chi_{441} (244, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 441,\ (\ :3),\ -0.755 + 0.654i)\)

Particular Values

\(L(\frac{7}{2})\) \(\approx\) \(0.07123610806\)
\(L(\frac12)\) \(\approx\) \(0.07123610806\)
\(L(4)\) 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 \( 1 - 3.60T + 64T^{2} \)
5 \( 1 - 83.0iT - 1.56e4T^{2} \)
11 \( 1 - 442.T + 1.77e6T^{2} \)
13 \( 1 + 696. iT - 4.82e6T^{2} \)
17 \( 1 - 6.28e3iT - 2.41e7T^{2} \)
19 \( 1 - 2.68e3iT - 4.70e7T^{2} \)
23 \( 1 + 1.57e4T + 1.48e8T^{2} \)
29 \( 1 - 2.32e4T + 5.94e8T^{2} \)
31 \( 1 - 4.75e4iT - 8.87e8T^{2} \)
37 \( 1 + 1.01e4T + 2.56e9T^{2} \)
41 \( 1 - 3.81e4iT - 4.75e9T^{2} \)
43 \( 1 + 1.51e5T + 6.32e9T^{2} \)
47 \( 1 + 5.02e4iT - 1.07e10T^{2} \)
53 \( 1 - 1.99e5T + 2.21e10T^{2} \)
59 \( 1 + 3.87e5iT - 4.21e10T^{2} \)
61 \( 1 - 1.17e4iT - 5.15e10T^{2} \)
67 \( 1 + 3.84e5T + 9.04e10T^{2} \)
71 \( 1 + 1.56e5T + 1.28e11T^{2} \)
73 \( 1 - 3.75e5iT - 1.51e11T^{2} \)
79 \( 1 - 3.31e4T + 2.43e11T^{2} \)
83 \( 1 + 9.84e5iT - 3.26e11T^{2} \)
89 \( 1 + 2.62e5iT - 4.96e11T^{2} \)
97 \( 1 + 5.75e5iT - 8.32e11T^{2} \)
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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

−10.42543911883421290561464172266, −10.04660378164772475458128761464, −8.714044253034684408863927472487, −8.161476822196522918071948049551, −6.77131856812594972325332637890, −5.98668612225982794301082146634, −4.92019562699356616486202924738, −3.85653135224836531059358550750, −3.07236362080416272995893717224, −1.52388816523098548411892061100, 0.01556310836664396114042772613, 1.02393295537140872069217436584, 2.61609326933337475897445956593, 3.93664953581520638330064637148, 4.69500354320313399435592650111, 5.53166319279733175574772706213, 6.62625490782862488833682305970, 7.87708239926876590184822185700, 8.829882343577799854262063428372, 9.409895859952079922226379305969

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