Properties

Label 2-171-19.6-c3-0-7
Degree $2$
Conductor $171$
Sign $0.709 - 0.704i$
Analytic cond. $10.0893$
Root an. cond. $3.17637$
Motivic weight $3$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (2.26 − 1.89i)2-s + (0.124 − 0.707i)4-s + (0.0925 + 0.524i)5-s + (−11.8 + 20.6i)7-s + (10.7 + 18.6i)8-s + (1.20 + 1.01i)10-s + (18.5 + 32.1i)11-s + (−14.9 + 5.45i)13-s + (12.1 + 69.1i)14-s + (65.0 + 23.6i)16-s + (47.7 − 40.0i)17-s + (−57.8 + 59.2i)19-s + 0.383·20-s + (103. + 37.5i)22-s + (3.18 − 18.0i)23-s + ⋯
L(s)  = 1  + (0.799 − 0.671i)2-s + (0.0155 − 0.0884i)4-s + (0.00827 + 0.0469i)5-s + (−0.642 + 1.11i)7-s + (0.475 + 0.822i)8-s + (0.0381 + 0.0319i)10-s + (0.509 + 0.882i)11-s + (−0.319 + 0.116i)13-s + (0.232 + 1.32i)14-s + (1.01 + 0.369i)16-s + (0.680 − 0.571i)17-s + (−0.698 + 0.715i)19-s + 0.00428·20-s + (0.999 + 0.363i)22-s + (0.0288 − 0.163i)23-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 171 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.709 - 0.704i)\, \overline{\Lambda}(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 171 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & (0.709 - 0.704i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(171\)    =    \(3^{2} \cdot 19\)
Sign: $0.709 - 0.704i$
Analytic conductor: \(10.0893\)
Root analytic conductor: \(3.17637\)
Motivic weight: \(3\)
Rational: no
Arithmetic: yes
Character: $\chi_{171} (82, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 171,\ (\ :3/2),\ 0.709 - 0.704i)\)

Particular Values

\(L(2)\) \(\approx\) \(2.09146 + 0.861839i\)
\(L(\frac12)\) \(\approx\) \(2.09146 + 0.861839i\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 \)
19 \( 1 + (57.8 - 59.2i)T \)
good2 \( 1 + (-2.26 + 1.89i)T + (1.38 - 7.87i)T^{2} \)
5 \( 1 + (-0.0925 - 0.524i)T + (-117. + 42.7i)T^{2} \)
7 \( 1 + (11.8 - 20.6i)T + (-171.5 - 297. i)T^{2} \)
11 \( 1 + (-18.5 - 32.1i)T + (-665.5 + 1.15e3i)T^{2} \)
13 \( 1 + (14.9 - 5.45i)T + (1.68e3 - 1.41e3i)T^{2} \)
17 \( 1 + (-47.7 + 40.0i)T + (853. - 4.83e3i)T^{2} \)
23 \( 1 + (-3.18 + 18.0i)T + (-1.14e4 - 4.16e3i)T^{2} \)
29 \( 1 + (13.6 + 11.4i)T + (4.23e3 + 2.40e4i)T^{2} \)
31 \( 1 + (76.5 - 132. i)T + (-1.48e4 - 2.57e4i)T^{2} \)
37 \( 1 + 41.5T + 5.06e4T^{2} \)
41 \( 1 + (-314. - 114. i)T + (5.27e4 + 4.43e4i)T^{2} \)
43 \( 1 + (53.2 + 302. i)T + (-7.47e4 + 2.71e4i)T^{2} \)
47 \( 1 + (37.2 + 31.2i)T + (1.80e4 + 1.02e5i)T^{2} \)
53 \( 1 + (-84.6 + 479. i)T + (-1.39e5 - 5.09e4i)T^{2} \)
59 \( 1 + (160. - 134. i)T + (3.56e4 - 2.02e5i)T^{2} \)
61 \( 1 + (36.3 - 206. i)T + (-2.13e5 - 7.76e4i)T^{2} \)
67 \( 1 + (-327. - 274. i)T + (5.22e4 + 2.96e5i)T^{2} \)
71 \( 1 + (105. + 599. i)T + (-3.36e5 + 1.22e5i)T^{2} \)
73 \( 1 + (299. + 108. i)T + (2.98e5 + 2.50e5i)T^{2} \)
79 \( 1 + (245. + 89.2i)T + (3.77e5 + 3.16e5i)T^{2} \)
83 \( 1 + (328. - 569. i)T + (-2.85e5 - 4.95e5i)T^{2} \)
89 \( 1 + (-1.24e3 + 453. i)T + (5.40e5 - 4.53e5i)T^{2} \)
97 \( 1 + (-245. + 206. i)T + (1.58e5 - 8.98e5i)T^{2} \)
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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

−12.31009507580737941762631129222, −11.93405623042659393927769488234, −10.60552497933327864500231719781, −9.504883845417122866334133188872, −8.456674514796951504943171912483, −7.06166264615123890038693600795, −5.70909106780394235957308705266, −4.56422459617708560126356687424, −3.23405463359844097098062038806, −2.08756055570147832471693316551, 0.841231642168258121166503088372, 3.43218196384240578134670989839, 4.45185940846707900770729038209, 5.81572040124483874716985266719, 6.69424263833289334525464162356, 7.64311048969813037524276206468, 9.160863532128846504032005951764, 10.25016411005684070991410667815, 11.09587611205882123285931376844, 12.66488324610759191096042906827

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