Properties

Label 2-171-171.101-c2-0-5
Degree $2$
Conductor $171$
Sign $0.188 - 0.982i$
Analytic cond. $4.65941$
Root an. cond. $2.15856$
Motivic weight $2$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (1.55 − 0.273i)2-s + (−2.81 − 1.03i)3-s + (−1.42 + 0.518i)4-s + (2.85 + 3.40i)5-s + (−4.65 − 0.832i)6-s + (−0.447 − 0.775i)7-s + (−7.52 + 4.34i)8-s + (6.86 + 5.81i)9-s + (5.36 + 4.50i)10-s + 17.0i·11-s + (4.54 + 0.0112i)12-s + (13.4 + 11.2i)13-s + (−0.906 − 1.08i)14-s + (−4.52 − 12.5i)15-s + (−5.84 + 4.90i)16-s + (−8.14 − 9.71i)17-s + ⋯
L(s)  = 1  + (0.776 − 0.136i)2-s + (−0.938 − 0.344i)3-s + (−0.356 + 0.129i)4-s + (0.571 + 0.680i)5-s + (−0.775 − 0.138i)6-s + (−0.0639 − 0.110i)7-s + (−0.941 + 0.543i)8-s + (0.762 + 0.646i)9-s + (0.536 + 0.450i)10-s + 1.55i·11-s + (0.379 + 0.000934i)12-s + (1.03 + 0.867i)13-s + (−0.0647 − 0.0771i)14-s + (−0.301 − 0.835i)15-s + (−0.365 + 0.306i)16-s + (−0.479 − 0.571i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 171 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.188 - 0.982i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 171 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (0.188 - 0.982i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(171\)    =    \(3^{2} \cdot 19\)
Sign: $0.188 - 0.982i$
Analytic conductor: \(4.65941\)
Root analytic conductor: \(2.15856\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{171} (101, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 171,\ (\ :1),\ 0.188 - 0.982i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(0.984023 + 0.812966i\)
\(L(\frac12)\) \(\approx\) \(0.984023 + 0.812966i\)
\(L(2)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 + (2.81 + 1.03i)T \)
19 \( 1 + (16.4 - 9.57i)T \)
good2 \( 1 + (-1.55 + 0.273i)T + (3.75 - 1.36i)T^{2} \)
5 \( 1 + (-2.85 - 3.40i)T + (-4.34 + 24.6i)T^{2} \)
7 \( 1 + (0.447 + 0.775i)T + (-24.5 + 42.4i)T^{2} \)
11 \( 1 - 17.0iT - 121T^{2} \)
13 \( 1 + (-13.4 - 11.2i)T + (29.3 + 166. i)T^{2} \)
17 \( 1 + (8.14 + 9.71i)T + (-50.1 + 284. i)T^{2} \)
23 \( 1 + (1.97 + 5.41i)T + (-405. + 340. i)T^{2} \)
29 \( 1 + (-15.6 - 42.9i)T + (-644. + 540. i)T^{2} \)
31 \( 1 - 1.22T + 961T^{2} \)
37 \( 1 + 40.3T + 1.36e3T^{2} \)
41 \( 1 + (-41.2 + 7.27i)T + (1.57e3 - 574. i)T^{2} \)
43 \( 1 + (11.6 + 4.24i)T + (1.41e3 + 1.18e3i)T^{2} \)
47 \( 1 + (12.6 + 34.8i)T + (-1.69e3 + 1.41e3i)T^{2} \)
53 \( 1 + (-36.6 - 6.46i)T + (2.63e3 + 960. i)T^{2} \)
59 \( 1 + (20.1 - 55.2i)T + (-2.66e3 - 2.23e3i)T^{2} \)
61 \( 1 + (34.0 + 28.5i)T + (646. + 3.66e3i)T^{2} \)
67 \( 1 + (7.14 - 40.4i)T + (-4.21e3 - 1.53e3i)T^{2} \)
71 \( 1 + (-121. + 21.4i)T + (4.73e3 - 1.72e3i)T^{2} \)
73 \( 1 + (-65.5 - 23.8i)T + (4.08e3 + 3.42e3i)T^{2} \)
79 \( 1 + (109. - 92.0i)T + (1.08e3 - 6.14e3i)T^{2} \)
83 \( 1 + (-74.7 + 43.1i)T + (3.44e3 - 5.96e3i)T^{2} \)
89 \( 1 + (-7.26 - 19.9i)T + (-6.06e3 + 5.09e3i)T^{2} \)
97 \( 1 + (-23.6 - 133. i)T + (-8.84e3 + 3.21e3i)T^{2} \)
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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

−12.66885234260490831349248510503, −12.03877431099866352284819842658, −10.90811887795737327137531728868, −10.01615862431937801799834644276, −8.740979825305460183295089543938, −7.02941577325920280604170303585, −6.33495550381563515095033115311, −5.06652099291922360596101400163, −4.06119929147255265079723739151, −2.10878179028028388093142292162, 0.70899634418683634484954241417, 3.57737060068092021731993067538, 4.76559262296998578621315441424, 5.90678820363781993440442870477, 6.15975270933414235592175611052, 8.442376322880049993440580361434, 9.263659758997763153310451264758, 10.49462297500932233387820500661, 11.34772802092779373045503193609, 12.62561506977853518519236878801

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