Properties

Label 2-18e2-3.2-c4-0-4
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  + 8.86i·5-s + 61.8·7-s + 109. i·11-s − 155.·13-s + 395. i·17-s + 140.·19-s − 927. i·23-s + 546.·25-s + 373. i·29-s − 1.04e3·31-s + 548. i·35-s − 194.·37-s + 2.70e3i·41-s + 335.·43-s + 2.85e3i·47-s + ⋯
L(s)  = 1  + 0.354i·5-s + 1.26·7-s + 0.904i·11-s − 0.921·13-s + 1.37i·17-s + 0.388·19-s − 1.75i·23-s + 0.874·25-s + 0.444i·29-s − 1.08·31-s + 0.447i·35-s − 0.142·37-s + 1.61i·41-s + 0.181·43-s + 1.29i·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

\(L(\frac{5}{2})\) \(\approx\) \(1.866968566\)
\(L(\frac12)\) \(\approx\) \(1.866968566\)
\(L(3)\) 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 \( 1 - 8.86iT - 625T^{2} \)
7 \( 1 - 61.8T + 2.40e3T^{2} \)
11 \( 1 - 109. iT - 1.46e4T^{2} \)
13 \( 1 + 155.T + 2.85e4T^{2} \)
17 \( 1 - 395. iT - 8.35e4T^{2} \)
19 \( 1 - 140.T + 1.30e5T^{2} \)
23 \( 1 + 927. iT - 2.79e5T^{2} \)
29 \( 1 - 373. iT - 7.07e5T^{2} \)
31 \( 1 + 1.04e3T + 9.23e5T^{2} \)
37 \( 1 + 194.T + 1.87e6T^{2} \)
41 \( 1 - 2.70e3iT - 2.82e6T^{2} \)
43 \( 1 - 335.T + 3.41e6T^{2} \)
47 \( 1 - 2.85e3iT - 4.87e6T^{2} \)
53 \( 1 - 2.76e3iT - 7.89e6T^{2} \)
59 \( 1 - 5.02e3iT - 1.21e7T^{2} \)
61 \( 1 + 7.04e3T + 1.38e7T^{2} \)
67 \( 1 - 6.87e3T + 2.01e7T^{2} \)
71 \( 1 + 821. iT - 2.54e7T^{2} \)
73 \( 1 - 4.09e3T + 2.83e7T^{2} \)
79 \( 1 - 7.56e3T + 3.89e7T^{2} \)
83 \( 1 - 7.82e3iT - 4.74e7T^{2} \)
89 \( 1 - 1.28e3iT - 6.27e7T^{2} \)
97 \( 1 + 3.78e3T + 8.85e7T^{2} \)
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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

−10.99810671285103888206689327692, −10.51080599596924611596999988282, −9.351536113719494448882723277790, −8.250352115669332880530243929517, −7.47564217110576232835392162430, −6.43607853831433189377420144136, −5.05347391502602978751745590730, −4.30070538717015979364037951017, −2.61492192205415193896693174621, −1.44794937679274465918767643565, 0.57290106530001980208458702923, 1.96628063732239954741029966438, 3.45727610780841899292820432898, 4.96556187296096945917081244725, 5.42618984940723381560586897906, 7.10768942603360329141843555530, 7.84882241916146608854028473739, 8.877486285180886117737096408298, 9.686696260709055368048220572909, 11.00088337990759730507235987318

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