Properties

Label 2-57-19.17-c1-0-2
Degree $2$
Conductor $57$
Sign $-0.0970 + 0.995i$
Analytic cond. $0.455147$
Root an. cond. $0.674646$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (0.326 − 1.85i)2-s + (−0.766 − 0.642i)3-s + (−1.43 − 0.524i)4-s + (−0.826 + 0.300i)5-s + (−1.43 + 1.20i)6-s + (1.43 + 2.49i)7-s + (0.439 − 0.761i)8-s + (0.173 + 0.984i)9-s + (0.286 + 1.62i)10-s + (0.918 − 1.59i)11-s + (0.766 + 1.32i)12-s + (−2.11 + 1.77i)13-s + (5.08 − 1.85i)14-s + (0.826 + 0.300i)15-s + (−3.61 − 3.03i)16-s + (−1.23 + 6.99i)17-s + ⋯
L(s)  = 1  + (0.230 − 1.30i)2-s + (−0.442 − 0.371i)3-s + (−0.719 − 0.262i)4-s + (−0.369 + 0.134i)5-s + (−0.587 + 0.493i)6-s + (0.544 + 0.942i)7-s + (0.155 − 0.269i)8-s + (0.0578 + 0.328i)9-s + (0.0907 + 0.514i)10-s + (0.277 − 0.479i)11-s + (0.221 + 0.383i)12-s + (−0.586 + 0.491i)13-s + (1.35 − 0.494i)14-s + (0.213 + 0.0776i)15-s + (−0.903 − 0.757i)16-s + (−0.299 + 1.69i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 57 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.0970 + 0.995i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 57 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.0970 + 0.995i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(57\)    =    \(3 \cdot 19\)
Sign: $-0.0970 + 0.995i$
Analytic conductor: \(0.455147\)
Root analytic conductor: \(0.674646\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{57} (55, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 57,\ (\ :1/2),\ -0.0970 + 0.995i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.580210 - 0.639562i\)
\(L(\frac12)\) \(\approx\) \(0.580210 - 0.639562i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 + (0.766 + 0.642i)T \)
19 \( 1 + (-3.93 + 1.86i)T \)
good2 \( 1 + (-0.326 + 1.85i)T + (-1.87 - 0.684i)T^{2} \)
5 \( 1 + (0.826 - 0.300i)T + (3.83 - 3.21i)T^{2} \)
7 \( 1 + (-1.43 - 2.49i)T + (-3.5 + 6.06i)T^{2} \)
11 \( 1 + (-0.918 + 1.59i)T + (-5.5 - 9.52i)T^{2} \)
13 \( 1 + (2.11 - 1.77i)T + (2.25 - 12.8i)T^{2} \)
17 \( 1 + (1.23 - 6.99i)T + (-15.9 - 5.81i)T^{2} \)
23 \( 1 + (6.19 + 2.25i)T + (17.6 + 14.7i)T^{2} \)
29 \( 1 + (0.543 + 3.08i)T + (-27.2 + 9.91i)T^{2} \)
31 \( 1 + (3.82 + 6.62i)T + (-15.5 + 26.8i)T^{2} \)
37 \( 1 - 2.83T + 37T^{2} \)
41 \( 1 + (-3.05 - 2.56i)T + (7.11 + 40.3i)T^{2} \)
43 \( 1 + (-10.7 + 3.91i)T + (32.9 - 27.6i)T^{2} \)
47 \( 1 + (-0.383 - 2.17i)T + (-44.1 + 16.0i)T^{2} \)
53 \( 1 + (2.53 + 0.924i)T + (40.6 + 34.0i)T^{2} \)
59 \( 1 + (1.46 - 8.28i)T + (-55.4 - 20.1i)T^{2} \)
61 \( 1 + (0.578 + 0.210i)T + (46.7 + 39.2i)T^{2} \)
67 \( 1 + (0.638 + 3.61i)T + (-62.9 + 22.9i)T^{2} \)
71 \( 1 + (-7.00 + 2.54i)T + (54.3 - 45.6i)T^{2} \)
73 \( 1 + (7.66 + 6.43i)T + (12.6 + 71.8i)T^{2} \)
79 \( 1 + (-1.23 - 1.03i)T + (13.7 + 77.7i)T^{2} \)
83 \( 1 + (0.492 + 0.853i)T + (-41.5 + 71.8i)T^{2} \)
89 \( 1 + (-13.0 + 10.9i)T + (15.4 - 87.6i)T^{2} \)
97 \( 1 + (1.02 - 5.81i)T + (-91.1 - 33.1i)T^{2} \)
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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

−14.76410687475959123615892895820, −13.43255996300306597721335435832, −12.26891564207712002573255339013, −11.67029051175893974544806279877, −10.80709515414666387171491721383, −9.351251832260926352776651176113, −7.76273569442966573181052283566, −5.94540037199828716197155307548, −4.11590931235712046424992216906, −2.12470280408781661591321108240, 4.34511705558270003881714561954, 5.44549826801597064547053299234, 7.10200700693017552283587643322, 7.81807022465561222102096894148, 9.591177916359654516006709743684, 10.99732548433986611572634648686, 12.14755077989390679361025427544, 13.88645216570967729365082955251, 14.48274740407572000783809724054, 15.86882622858447857514556964062

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