Properties

Label 2-171-171.101-c2-0-31
Degree $2$
Conductor $171$
Sign $-0.897 - 0.440i$
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  + (−3.55 + 0.626i)2-s + (0.824 − 2.88i)3-s + (8.48 − 3.09i)4-s + (−5.23 − 6.23i)5-s + (−1.12 + 10.7i)6-s + (−4.71 − 8.16i)7-s + (−15.7 + 9.08i)8-s + (−7.64 − 4.75i)9-s + (22.5 + 18.8i)10-s − 6.50i·11-s + (−1.91 − 27.0i)12-s + (15.4 + 12.9i)13-s + (21.8 + 26.0i)14-s + (−22.2 + 9.94i)15-s + (22.5 − 18.9i)16-s + (6.48 + 7.73i)17-s + ⋯
L(s)  = 1  + (−1.77 + 0.313i)2-s + (0.274 − 0.961i)3-s + (2.12 − 0.772i)4-s + (−1.04 − 1.24i)5-s + (−0.187 + 1.79i)6-s + (−0.673 − 1.16i)7-s + (−1.96 + 1.13i)8-s + (−0.848 − 0.528i)9-s + (2.25 + 1.88i)10-s − 0.591i·11-s + (−0.159 − 2.25i)12-s + (1.18 + 0.995i)13-s + (1.56 + 1.86i)14-s + (−1.48 + 0.663i)15-s + (1.41 − 1.18i)16-s + (0.381 + 0.454i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 171 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.897 - 0.440i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 171 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (-0.897 - 0.440i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(171\)    =    \(3^{2} \cdot 19\)
Sign: $-0.897 - 0.440i$
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: \((2,\ 171,\ (\ :1),\ -0.897 - 0.440i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(0.0723265 + 0.311403i\)
\(L(\frac12)\) \(\approx\) \(0.0723265 + 0.311403i\)
\(L(2)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 + (-0.824 + 2.88i)T \)
19 \( 1 + (2.18 + 18.8i)T \)
good2 \( 1 + (3.55 - 0.626i)T + (3.75 - 1.36i)T^{2} \)
5 \( 1 + (5.23 + 6.23i)T + (-4.34 + 24.6i)T^{2} \)
7 \( 1 + (4.71 + 8.16i)T + (-24.5 + 42.4i)T^{2} \)
11 \( 1 + 6.50iT - 121T^{2} \)
13 \( 1 + (-15.4 - 12.9i)T + (29.3 + 166. i)T^{2} \)
17 \( 1 + (-6.48 - 7.73i)T + (-50.1 + 284. i)T^{2} \)
23 \( 1 + (-8.51 - 23.4i)T + (-405. + 340. i)T^{2} \)
29 \( 1 + (10.7 + 29.6i)T + (-644. + 540. i)T^{2} \)
31 \( 1 + 39.4T + 961T^{2} \)
37 \( 1 - 37.5T + 1.36e3T^{2} \)
41 \( 1 + (-16.1 + 2.84i)T + (1.57e3 - 574. i)T^{2} \)
43 \( 1 + (17.7 + 6.45i)T + (1.41e3 + 1.18e3i)T^{2} \)
47 \( 1 + (-4.33 - 11.9i)T + (-1.69e3 + 1.41e3i)T^{2} \)
53 \( 1 + (-23.5 - 4.14i)T + (2.63e3 + 960. i)T^{2} \)
59 \( 1 + (-4.48 + 12.3i)T + (-2.66e3 - 2.23e3i)T^{2} \)
61 \( 1 + (55.8 + 46.8i)T + (646. + 3.66e3i)T^{2} \)
67 \( 1 + (-7.07 + 40.1i)T + (-4.21e3 - 1.53e3i)T^{2} \)
71 \( 1 + (8.02 - 1.41i)T + (4.73e3 - 1.72e3i)T^{2} \)
73 \( 1 + (28.7 + 10.4i)T + (4.08e3 + 3.42e3i)T^{2} \)
79 \( 1 + (28.4 - 23.8i)T + (1.08e3 - 6.14e3i)T^{2} \)
83 \( 1 + (-11.0 + 6.37i)T + (3.44e3 - 5.96e3i)T^{2} \)
89 \( 1 + (-8.83 - 24.2i)T + (-6.06e3 + 5.09e3i)T^{2} \)
97 \( 1 + (12.8 + 72.8i)T + (-8.84e3 + 3.21e3i)T^{2} \)
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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

−11.55765163336818072698190631699, −11.04719720687877550201198053810, −9.397705812024971903309907579767, −8.794391328966546763242128526468, −7.894586953317530761592693931979, −7.21497004726489042711184494049, −6.14009185926670504465227887477, −3.75053387507383075379214096069, −1.32412308182198286880280629857, −0.36234799581997023605372326399, 2.68130026518736980005132935909, 3.49721486357779514081926814163, 5.99048794528609824832601275248, 7.33345827462348306749056993216, 8.289997324109650574769332448726, 9.082669472660763538211372583790, 10.14210002079733729180355364318, 10.75918992505545831915773371499, 11.52587732922939311021512699225, 12.55546291183624654853424466822

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