Properties

Degree $2$
Conductor $80$
Sign $-0.419 - 0.907i$
Motivic weight $5$
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 4.69i·3-s + (23.4 + 50.7i)5-s − 10.2i·7-s + 220.·9-s − 596.·11-s + 420. i·13-s + (−238. + 109. i)15-s + 974. i·17-s − 380.·19-s + 48.1·21-s + 3.54e3i·23-s + (−2.02e3 + 2.37e3i)25-s + 2.17e3i·27-s − 5.44e3·29-s + 3.62e3·31-s + ⋯
L(s)  = 1  + 0.301i·3-s + (0.419 + 0.907i)5-s − 0.0791i·7-s + 0.909·9-s − 1.48·11-s + 0.690i·13-s + (−0.273 + 0.126i)15-s + 0.817i·17-s − 0.241·19-s + 0.0238·21-s + 1.39i·23-s + (−0.648 + 0.760i)25-s + 0.574i·27-s − 1.20·29-s + 0.677·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 80 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.419 - 0.907i)\, \overline{\Lambda}(6-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 80 ^{s/2} \, \Gamma_{\C}(s+5/2) \, L(s)\cr =\mathstrut & (-0.419 - 0.907i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(80\)    =    \(2^{4} \cdot 5\)
Sign: $-0.419 - 0.907i$
Motivic weight: \(5\)
Character: $\chi_{80} (49, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 80,\ (\ :5/2),\ -0.419 - 0.907i)\)

Particular Values

\(L(3)\) \(\approx\) \(0.817024 + 1.27687i\)
\(L(\frac12)\) \(\approx\) \(0.817024 + 1.27687i\)
\(L(\frac{7}{2})\) 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 \( 1 + (-23.4 - 50.7i)T \)
good3 \( 1 - 4.69iT - 243T^{2} \)
7 \( 1 + 10.2iT - 1.68e4T^{2} \)
11 \( 1 + 596.T + 1.61e5T^{2} \)
13 \( 1 - 420. iT - 3.71e5T^{2} \)
17 \( 1 - 974. iT - 1.41e6T^{2} \)
19 \( 1 + 380.T + 2.47e6T^{2} \)
23 \( 1 - 3.54e3iT - 6.43e6T^{2} \)
29 \( 1 + 5.44e3T + 2.05e7T^{2} \)
31 \( 1 - 3.62e3T + 2.86e7T^{2} \)
37 \( 1 - 1.75e3iT - 6.93e7T^{2} \)
41 \( 1 - 263.T + 1.15e8T^{2} \)
43 \( 1 - 1.44e4iT - 1.47e8T^{2} \)
47 \( 1 + 2.34e4iT - 2.29e8T^{2} \)
53 \( 1 + 3.34e4iT - 4.18e8T^{2} \)
59 \( 1 + 2.90e3T + 7.14e8T^{2} \)
61 \( 1 - 2.94e4T + 8.44e8T^{2} \)
67 \( 1 + 7.16e3iT - 1.35e9T^{2} \)
71 \( 1 - 8.13e4T + 1.80e9T^{2} \)
73 \( 1 + 5.51e4iT - 2.07e9T^{2} \)
79 \( 1 - 1.64e4T + 3.07e9T^{2} \)
83 \( 1 - 1.16e5iT - 3.93e9T^{2} \)
89 \( 1 + 9.93e4T + 5.58e9T^{2} \)
97 \( 1 - 6.29e4iT - 8.58e9T^{2} \)
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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

−13.65489739520135323114390585567, −12.91380530354117657122458628456, −11.32093331136766734985575120598, −10.37343205532108628452901796643, −9.604719973938249434703557091211, −7.88534418861101424777025832456, −6.78346968240514803201157921918, −5.34581042469028936698343582556, −3.70248155472038926440876750915, −2.02433941547405145491299286035, 0.63267455149793261088140427788, 2.39190260574833468501553529539, 4.57640843472720311246107917596, 5.70826850914543106217638717547, 7.35262407258407877505401068460, 8.422607649500975931381776603331, 9.746676775657276424557719534153, 10.70700921893929268575360738911, 12.40453483702343661375675307057, 12.92679416449047208180764235359

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