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Properties

Label 2-80-20.7-c5-0-7
Degree $2$
Conductor $80$
Sign $-0.460 - 0.887i$
Analytic cond. $12.8307$
Root an. cond. $3.58199$
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  + (17.2 + 17.2i)3-s + (46.1 + 31.4i)5-s + (−154. + 154. i)7-s + 355. i·9-s − 127. i·11-s + (335. − 335. i)13-s + (254. + 1.34e3i)15-s + (−1.15e3 − 1.15e3i)17-s − 28.2·19-s − 5.32e3·21-s + (2.78e3 + 2.78e3i)23-s + (1.14e3 + 2.90e3i)25-s + (−1.93e3 + 1.93e3i)27-s − 3.38e3i·29-s + 5.38e3i·31-s + ⋯
L(s)  = 1  + (1.10 + 1.10i)3-s + (0.826 + 0.563i)5-s + (−1.18 + 1.18i)7-s + 1.46i·9-s − 0.317i·11-s + (0.549 − 0.549i)13-s + (0.291 + 1.54i)15-s + (−0.969 − 0.969i)17-s − 0.0179·19-s − 2.63·21-s + (1.09 + 1.09i)23-s + (0.365 + 0.930i)25-s + (−0.511 + 0.511i)27-s − 0.748i·29-s + 1.00i·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 80 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.460 - 0.887i)\, \overline{\Lambda}(6-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 80 ^{s/2} \, \Gamma_{\C}(s+5/2) \, L(s)\cr =\mathstrut & (-0.460 - 0.887i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(80\)    =    \(2^{4} \cdot 5\)
Sign: $-0.460 - 0.887i$
Analytic conductor: \(12.8307\)
Root analytic conductor: \(3.58199\)
Motivic weight: \(5\)
Rational: no
Arithmetic: yes
Character: $\chi_{80} (47, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 80,\ (\ :5/2),\ -0.460 - 0.887i)\)

Particular Values

\(L(3)\) \(\approx\) \(1.28759 + 2.11941i\)
\(L(\frac12)\) \(\approx\) \(1.28759 + 2.11941i\)
\(L(\frac{7}{2})\) 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 \( 1 + (-46.1 - 31.4i)T \)
good3 \( 1 + (-17.2 - 17.2i)T + 243iT^{2} \)
7 \( 1 + (154. - 154. i)T - 1.68e4iT^{2} \)
11 \( 1 + 127. iT - 1.61e5T^{2} \)
13 \( 1 + (-335. + 335. i)T - 3.71e5iT^{2} \)
17 \( 1 + (1.15e3 + 1.15e3i)T + 1.41e6iT^{2} \)
19 \( 1 + 28.2T + 2.47e6T^{2} \)
23 \( 1 + (-2.78e3 - 2.78e3i)T + 6.43e6iT^{2} \)
29 \( 1 + 3.38e3iT - 2.05e7T^{2} \)
31 \( 1 - 5.38e3iT - 2.86e7T^{2} \)
37 \( 1 + (-1.15e4 - 1.15e4i)T + 6.93e7iT^{2} \)
41 \( 1 + 1.11e4T + 1.15e8T^{2} \)
43 \( 1 + (-1.43e3 - 1.43e3i)T + 1.47e8iT^{2} \)
47 \( 1 + (-219. + 219. i)T - 2.29e8iT^{2} \)
53 \( 1 + (-2.27e4 + 2.27e4i)T - 4.18e8iT^{2} \)
59 \( 1 - 2.21e4T + 7.14e8T^{2} \)
61 \( 1 + 1.43e3T + 8.44e8T^{2} \)
67 \( 1 + (-2.89e4 + 2.89e4i)T - 1.35e9iT^{2} \)
71 \( 1 - 2.41e4iT - 1.80e9T^{2} \)
73 \( 1 + (-2.85e4 + 2.85e4i)T - 2.07e9iT^{2} \)
79 \( 1 + 2.34e4T + 3.07e9T^{2} \)
83 \( 1 + (-1.89e4 - 1.89e4i)T + 3.93e9iT^{2} \)
89 \( 1 - 8.17e3iT - 5.58e9T^{2} \)
97 \( 1 + (7.67e4 + 7.67e4i)T + 8.58e9iT^{2} \)
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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

−13.74674177446063895589561512520, −13.12994943110220391245928830361, −11.34413087801887556898162984046, −10.01224822004694521821021210924, −9.381405177870179301639993045455, −8.570471819203823624609762260122, −6.61379687366598416245484547413, −5.29194539387986689460504394007, −3.31586580602240735280359065098, −2.60958425965785299297251851363, 0.956463349721247668034993931006, 2.37607864811647305912262463685, 4.02576382028077109064863901530, 6.35210956850578508605484252854, 7.10667409589314847570193604035, 8.563100779025190921282220374973, 9.403353225200443725654254897303, 10.66234247892062536745196678210, 12.69893384788102570014934068183, 13.10907330838933188967798269052

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