Properties

Label 2-171-171.101-c2-0-12
Degree $2$
Conductor $171$
Sign $0.219 - 0.975i$
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  + (0.623 − 0.109i)2-s + (2.58 + 1.52i)3-s + (−3.38 + 1.23i)4-s + (1.20 + 1.44i)5-s + (1.77 + 0.667i)6-s + (1.68 + 2.91i)7-s + (−4.16 + 2.40i)8-s + (4.34 + 7.88i)9-s + (0.912 + 0.765i)10-s + 3.91i·11-s + (−10.6 − 1.98i)12-s + (−1.33 − 1.12i)13-s + (1.36 + 1.63i)14-s + (0.923 + 5.56i)15-s + (8.69 − 7.29i)16-s + (16.7 + 19.9i)17-s + ⋯
L(s)  = 1  + (0.311 − 0.0549i)2-s + (0.860 + 0.508i)3-s + (−0.845 + 0.307i)4-s + (0.241 + 0.288i)5-s + (0.296 + 0.111i)6-s + (0.240 + 0.416i)7-s + (−0.520 + 0.300i)8-s + (0.482 + 0.875i)9-s + (0.0912 + 0.0765i)10-s + 0.356i·11-s + (−0.884 − 0.165i)12-s + (−0.102 − 0.0863i)13-s + (0.0978 + 0.116i)14-s + (0.0615 + 0.371i)15-s + (0.543 − 0.455i)16-s + (0.985 + 1.17i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 171 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.219 - 0.975i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 171 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (0.219 - 0.975i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(171\)    =    \(3^{2} \cdot 19\)
Sign: $0.219 - 0.975i$
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: \((2,\ 171,\ (\ :1),\ 0.219 - 0.975i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(1.49280 + 1.19384i\)
\(L(\frac12)\) \(\approx\) \(1.49280 + 1.19384i\)
\(L(2)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 + (-2.58 - 1.52i)T \)
19 \( 1 + (12.3 - 14.4i)T \)
good2 \( 1 + (-0.623 + 0.109i)T + (3.75 - 1.36i)T^{2} \)
5 \( 1 + (-1.20 - 1.44i)T + (-4.34 + 24.6i)T^{2} \)
7 \( 1 + (-1.68 - 2.91i)T + (-24.5 + 42.4i)T^{2} \)
11 \( 1 - 3.91iT - 121T^{2} \)
13 \( 1 + (1.33 + 1.12i)T + (29.3 + 166. i)T^{2} \)
17 \( 1 + (-16.7 - 19.9i)T + (-50.1 + 284. i)T^{2} \)
23 \( 1 + (13.9 + 38.3i)T + (-405. + 340. i)T^{2} \)
29 \( 1 + (4.40 + 12.1i)T + (-644. + 540. i)T^{2} \)
31 \( 1 - 51.2T + 961T^{2} \)
37 \( 1 - 42.8T + 1.36e3T^{2} \)
41 \( 1 + (59.6 - 10.5i)T + (1.57e3 - 574. i)T^{2} \)
43 \( 1 + (-25.4 - 9.26i)T + (1.41e3 + 1.18e3i)T^{2} \)
47 \( 1 + (19.1 + 52.6i)T + (-1.69e3 + 1.41e3i)T^{2} \)
53 \( 1 + (20.2 + 3.57i)T + (2.63e3 + 960. i)T^{2} \)
59 \( 1 + (-15.7 + 43.1i)T + (-2.66e3 - 2.23e3i)T^{2} \)
61 \( 1 + (-22.2 - 18.6i)T + (646. + 3.66e3i)T^{2} \)
67 \( 1 + (-10.7 + 61.1i)T + (-4.21e3 - 1.53e3i)T^{2} \)
71 \( 1 + (-22.4 + 3.95i)T + (4.73e3 - 1.72e3i)T^{2} \)
73 \( 1 + (19.3 + 7.03i)T + (4.08e3 + 3.42e3i)T^{2} \)
79 \( 1 + (-6.34 + 5.32i)T + (1.08e3 - 6.14e3i)T^{2} \)
83 \( 1 + (78.0 - 45.0i)T + (3.44e3 - 5.96e3i)T^{2} \)
89 \( 1 + (-5.79 - 15.9i)T + (-6.06e3 + 5.09e3i)T^{2} \)
97 \( 1 + (-1.80 - 10.2i)T + (-8.84e3 + 3.21e3i)T^{2} \)
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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

−12.81251443620533292830567072695, −12.07393288165177252089028659581, −10.33426688779424865737482757160, −9.855971697285417787165170291866, −8.384374165428731047981062645081, −8.171567180785265747793729554023, −6.20394780227462097252598753235, −4.78340966085620148312648195529, −3.81328928575229703018660377280, −2.41216279521656689055909192455, 1.11018254953827381219142243371, 3.15549743955714263342494348378, 4.49226192423191067960721886460, 5.74770230242107135007039023248, 7.19690943054195626571416625990, 8.255210789672017722929247673359, 9.286816374884873301462216036099, 9.917609870403993209327328206725, 11.53570272940406383705337884870, 12.65669322138259308212170810932

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