Properties

Label 2-320-8.5-c5-0-25
Degree $2$
Conductor $320$
Sign $0.965 + 0.258i$
Analytic cond. $51.3228$
Root an. cond. $7.16399$
Motivic weight $5$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 5.06i·3-s + 25i·5-s + 250.·7-s + 217.·9-s + 94.5i·11-s − 887. i·13-s + 126.·15-s + 1.44e3·17-s + 611. i·19-s − 1.26e3i·21-s − 814.·23-s − 625·25-s − 2.33e3i·27-s + 5.29e3i·29-s − 3.61e3·31-s + ⋯
L(s)  = 1  − 0.325i·3-s + 0.447i·5-s + 1.93·7-s + 0.894·9-s + 0.235i·11-s − 1.45i·13-s + 0.145·15-s + 1.21·17-s + 0.388i·19-s − 0.627i·21-s − 0.320·23-s − 0.200·25-s − 0.615i·27-s + 1.16i·29-s − 0.675·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 320 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.965 + 0.258i)\, \overline{\Lambda}(6-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 320 ^{s/2} \, \Gamma_{\C}(s+5/2) \, L(s)\cr =\mathstrut & (0.965 + 0.258i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(320\)    =    \(2^{6} \cdot 5\)
Sign: $0.965 + 0.258i$
Analytic conductor: \(51.3228\)
Root analytic conductor: \(7.16399\)
Motivic weight: \(5\)
Rational: no
Arithmetic: yes
Character: $\chi_{320} (161, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 320,\ (\ :5/2),\ 0.965 + 0.258i)\)

Particular Values

\(L(3)\) \(\approx\) \(3.064138908\)
\(L(\frac12)\) \(\approx\) \(3.064138908\)
\(L(\frac{7}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
5 \( 1 - 25iT \)
good3 \( 1 + 5.06iT - 243T^{2} \)
7 \( 1 - 250.T + 1.68e4T^{2} \)
11 \( 1 - 94.5iT - 1.61e5T^{2} \)
13 \( 1 + 887. iT - 3.71e5T^{2} \)
17 \( 1 - 1.44e3T + 1.41e6T^{2} \)
19 \( 1 - 611. iT - 2.47e6T^{2} \)
23 \( 1 + 814.T + 6.43e6T^{2} \)
29 \( 1 - 5.29e3iT - 2.05e7T^{2} \)
31 \( 1 + 3.61e3T + 2.86e7T^{2} \)
37 \( 1 - 9.48e3iT - 6.93e7T^{2} \)
41 \( 1 + 9.91e3T + 1.15e8T^{2} \)
43 \( 1 + 2.02e4iT - 1.47e8T^{2} \)
47 \( 1 - 2.07e4T + 2.29e8T^{2} \)
53 \( 1 + 1.30e4iT - 4.18e8T^{2} \)
59 \( 1 - 1.66e4iT - 7.14e8T^{2} \)
61 \( 1 + 715. iT - 8.44e8T^{2} \)
67 \( 1 + 2.19e4iT - 1.35e9T^{2} \)
71 \( 1 - 3.84e4T + 1.80e9T^{2} \)
73 \( 1 + 4.08e4T + 2.07e9T^{2} \)
79 \( 1 + 8.48e4T + 3.07e9T^{2} \)
83 \( 1 + 1.16e5iT - 3.93e9T^{2} \)
89 \( 1 - 1.21e5T + 5.58e9T^{2} \)
97 \( 1 - 2.15e4T + 8.58e9T^{2} \)
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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

−10.55953023232319546943601961745, −10.22981426875866608148929035398, −8.608447805088930817301581628614, −7.74641471957432144167207028493, −7.25350409031452855272428370103, −5.66865529597212396338259519877, −4.86242426517386049672523910272, −3.52467638617812078764266888528, −1.95650767505735235070314941674, −1.03989998118181387591201969539, 1.13378599577057286660540389328, 2.00120589253765951849134538930, 4.04411149565757320306835550340, 4.65886007948989309192326883115, 5.67367970867608810522913248046, 7.21629324772729362540321894304, 7.989157152651081982781317022840, 8.958318411962156401868275920165, 9.860160100984897686133384046549, 10.98404525750624751996822335748

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