Properties

Label 2-18e2-3.2-c4-0-0
Degree $2$
Conductor $324$
Sign $-i$
Analytic cond. $33.4918$
Root an. cond. $5.78721$
Motivic weight $4$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 31.6i·5-s − 75.3·7-s − 142. i·11-s − 192.·13-s + 325. i·17-s + 314.·19-s + 512. i·23-s − 377.·25-s − 157. i·29-s − 367.·31-s + 2.38e3i·35-s + 1.73e3·37-s + 395. i·41-s + 720.·43-s + 2.48e3i·47-s + ⋯
L(s)  = 1  − 1.26i·5-s − 1.53·7-s − 1.17i·11-s − 1.13·13-s + 1.12i·17-s + 0.870·19-s + 0.968i·23-s − 0.603·25-s − 0.187i·29-s − 0.382·31-s + 1.94i·35-s + 1.26·37-s + 0.235i·41-s + 0.389·43-s + 1.12i·47-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 324 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -i\, \overline{\Lambda}(5-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 324 ^{s/2} \, \Gamma_{\C}(s+2) \, L(s)\cr =\mathstrut & -i\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(324\)    =    \(2^{2} \cdot 3^{4}\)
Sign: $-i$
Analytic conductor: \(33.4918\)
Root analytic conductor: \(5.78721\)
Motivic weight: \(4\)
Rational: no
Arithmetic: yes
Character: $\chi_{324} (161, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 324,\ (\ :2),\ -i)\)

Particular Values

\(L(\frac{5}{2})\) \(\approx\) \(0.4227903318\)
\(L(\frac12)\) \(\approx\) \(0.4227903318\)
\(L(3)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
3 \( 1 \)
good5 \( 1 + 31.6iT - 625T^{2} \)
7 \( 1 + 75.3T + 2.40e3T^{2} \)
11 \( 1 + 142. iT - 1.46e4T^{2} \)
13 \( 1 + 192.T + 2.85e4T^{2} \)
17 \( 1 - 325. iT - 8.35e4T^{2} \)
19 \( 1 - 314.T + 1.30e5T^{2} \)
23 \( 1 - 512. iT - 2.79e5T^{2} \)
29 \( 1 + 157. iT - 7.07e5T^{2} \)
31 \( 1 + 367.T + 9.23e5T^{2} \)
37 \( 1 - 1.73e3T + 1.87e6T^{2} \)
41 \( 1 - 395. iT - 2.82e6T^{2} \)
43 \( 1 - 720.T + 3.41e6T^{2} \)
47 \( 1 - 2.48e3iT - 4.87e6T^{2} \)
53 \( 1 + 3.98e3iT - 7.89e6T^{2} \)
59 \( 1 - 2.46e3iT - 1.21e7T^{2} \)
61 \( 1 - 2.48e3T + 1.38e7T^{2} \)
67 \( 1 + 6.59e3T + 2.01e7T^{2} \)
71 \( 1 - 5.82e3iT - 2.54e7T^{2} \)
73 \( 1 + 8.79e3T + 2.83e7T^{2} \)
79 \( 1 + 3.86e3T + 3.89e7T^{2} \)
83 \( 1 - 1.20e4iT - 4.74e7T^{2} \)
89 \( 1 - 7.63e3iT - 6.27e7T^{2} \)
97 \( 1 + 2.91e3T + 8.85e7T^{2} \)
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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

−11.32475229058799928980297462452, −9.979116880736750180735131405901, −9.406885783815663313895003958863, −8.526191235554718777903717073456, −7.45139720560347500997135648743, −6.14626999327318111309373442336, −5.39322643900248790562394867659, −4.02746800160578631756635176478, −2.91069942296527214158384822807, −1.05953631369501989428970409124, 0.14382187100554646409560518950, 2.48076503565933858365446580405, 3.14776544263943567013789503650, 4.61337874572755622476975493006, 6.03827057973404144736131820224, 7.14652450702298599707649015725, 7.28851715399316323256284672444, 9.248116672687728367574145319525, 9.867671927725744902326216784164, 10.49650713871958449993877790529

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