Properties

Degree 2
Conductor $ 2^{6} \cdot 5 $
Sign $-0.235 - 0.971i$
Motivic weight 5
Primitive yes
Self-dual no
Analytic rank 0

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 28.9i·3-s + (13.1 + 54.3i)5-s − 146. i·7-s − 594.·9-s + 191.·11-s + 83.9i·13-s + (1.57e3 − 380. i)15-s − 2.00e3i·17-s − 677.·19-s − 4.24e3·21-s + 1.29e3i·23-s + (−2.77e3 + 1.42e3i)25-s + 1.01e4i·27-s − 3.26e3·29-s − 6.15e3·31-s + ⋯
L(s)  = 1  − 1.85i·3-s + (0.235 + 0.971i)5-s − 1.13i·7-s − 2.44·9-s + 0.476·11-s + 0.137i·13-s + (1.80 − 0.436i)15-s − 1.67i·17-s − 0.430·19-s − 2.10·21-s + 0.510i·23-s + (−0.889 + 0.457i)25-s + 2.68i·27-s − 0.721·29-s − 1.15·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 320 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.235 - 0.971i)\, \overline{\Lambda}(6-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 320 ^{s/2} \, \Gamma_{\C}(s+5/2) \, L(s)\cr =\mathstrut & (-0.235 - 0.971i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

\( d \)  =  \(2\)
\( N \)  =  \(320\)    =    \(2^{6} \cdot 5\)
\( \varepsilon \)  =  $-0.235 - 0.971i$
motivic weight  =  \(5\)
character  :  $\chi_{320} (129, \cdot )$
primitive  :  yes
self-dual  :  no
analytic rank  =  \(0\)
Selberg data  =  \((2,\ 320,\ (\ :5/2),\ -0.235 - 0.971i)\)
\(L(3)\)  \(\approx\)  \(0.4189892309\)
\(L(\frac12)\)  \(\approx\)  \(0.4189892309\)
\(L(\frac{7}{2})\)   not available
\(L(1)\)   not available

Euler product

\[L(s) = \prod_{p \text{ prime}} F_p(p^{-s})^{-1} \]where, for $p \notin \{2,\;5\}$,\(F_p(T)\) is a polynomial of degree 2. If $p \in \{2,\;5\}$, then $F_p(T)$ is a polynomial of degree at most 1.
$p$$F_p(T)$
bad2 \( 1 \)
5 \( 1 + (-13.1 - 54.3i)T \)
good3 \( 1 + 28.9iT - 243T^{2} \)
7 \( 1 + 146. iT - 1.68e4T^{2} \)
11 \( 1 - 191.T + 1.61e5T^{2} \)
13 \( 1 - 83.9iT - 3.71e5T^{2} \)
17 \( 1 + 2.00e3iT - 1.41e6T^{2} \)
19 \( 1 + 677.T + 2.47e6T^{2} \)
23 \( 1 - 1.29e3iT - 6.43e6T^{2} \)
29 \( 1 + 3.26e3T + 2.05e7T^{2} \)
31 \( 1 + 6.15e3T + 2.86e7T^{2} \)
37 \( 1 - 1.13e4iT - 6.93e7T^{2} \)
41 \( 1 + 1.05e4T + 1.15e8T^{2} \)
43 \( 1 + 1.29e4iT - 1.47e8T^{2} \)
47 \( 1 + 9.52e3iT - 2.29e8T^{2} \)
53 \( 1 - 1.47e4iT - 4.18e8T^{2} \)
59 \( 1 - 3.82e4T + 7.14e8T^{2} \)
61 \( 1 - 3.58e3T + 8.44e8T^{2} \)
67 \( 1 - 2.17e4iT - 1.35e9T^{2} \)
71 \( 1 + 5.13e4T + 1.80e9T^{2} \)
73 \( 1 - 1.33e4iT - 2.07e9T^{2} \)
79 \( 1 - 1.59e4T + 3.07e9T^{2} \)
83 \( 1 - 5.33e4iT - 3.93e9T^{2} \)
89 \( 1 - 5.13e4T + 5.58e9T^{2} \)
97 \( 1 - 8.08e4iT - 8.58e9T^{2} \)
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\[\begin{aligned}L(s) = \prod_p \ \prod_{j=1}^{2} (1 - \alpha_{j,p}\, p^{-s})^{-1}\end{aligned}\]

Imaginary part of the first few zeros on the critical line

−10.29177022311435080114285053437, −9.056513629210543630622162000746, −7.76540231531110527103900515912, −7.04946615737477470456236501245, −6.72938189365996536497498917980, −5.47364256537884308102160581336, −3.58013914667909384033123606220, −2.39931365015476864714155616922, −1.29449181091983282571858998923, −0.10764378688552703728341938468, 2.02336723147824760647880790916, 3.58009702018744692993280109330, 4.42547569249193846963346775934, 5.45704575841355437778465569489, 6.03102325243435637194464403821, 8.281470520347435957699838204114, 8.874161293533770002945730191334, 9.468913936988055594416295332596, 10.41169753339392515834328403498, 11.26603559959797810731928503365

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