Properties

Label 2-684-171.103-c2-0-31
Degree $2$
Conductor $684$
Sign $-0.472 + 0.881i$
Analytic cond. $18.6376$
Root an. cond. $4.31713$
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  + (1.96 − 2.26i)3-s + (−0.319 − 0.552i)5-s + (−1.11 − 1.93i)7-s + (−1.28 − 8.90i)9-s + (1.89 + 3.27i)11-s + 9.65i·13-s + (−1.88 − 0.362i)15-s + (11.4 − 19.8i)17-s + (7.12 − 17.6i)19-s + (−6.57 − 1.26i)21-s + 7.93·23-s + (12.2 − 21.2i)25-s + (−22.7 − 14.5i)27-s + (−26.3 − 15.2i)29-s + (−50.4 − 29.1i)31-s + ⋯
L(s)  = 1  + (0.654 − 0.755i)3-s + (−0.0638 − 0.110i)5-s + (−0.159 − 0.276i)7-s + (−0.142 − 0.989i)9-s + (0.171 + 0.297i)11-s + 0.742i·13-s + (−0.125 − 0.0241i)15-s + (0.673 − 1.16i)17-s + (0.375 − 0.926i)19-s + (−0.313 − 0.0602i)21-s + 0.344·23-s + (0.491 − 0.851i)25-s + (−0.841 − 0.539i)27-s + (−0.908 − 0.524i)29-s + (−1.62 − 0.938i)31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 684 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.472 + 0.881i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 684 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (-0.472 + 0.881i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(684\)    =    \(2^{2} \cdot 3^{2} \cdot 19\)
Sign: $-0.472 + 0.881i$
Analytic conductor: \(18.6376\)
Root analytic conductor: \(4.31713\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{684} (445, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 684,\ (\ :1),\ -0.472 + 0.881i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(1.915640379\)
\(L(\frac12)\) \(\approx\) \(1.915640379\)
\(L(2)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
3 \( 1 + (-1.96 + 2.26i)T \)
19 \( 1 + (-7.12 + 17.6i)T \)
good5 \( 1 + (0.319 + 0.552i)T + (-12.5 + 21.6i)T^{2} \)
7 \( 1 + (1.11 + 1.93i)T + (-24.5 + 42.4i)T^{2} \)
11 \( 1 + (-1.89 - 3.27i)T + (-60.5 + 104. i)T^{2} \)
13 \( 1 - 9.65iT - 169T^{2} \)
17 \( 1 + (-11.4 + 19.8i)T + (-144.5 - 250. i)T^{2} \)
23 \( 1 - 7.93T + 529T^{2} \)
29 \( 1 + (26.3 + 15.2i)T + (420.5 + 728. i)T^{2} \)
31 \( 1 + (50.4 + 29.1i)T + (480.5 + 832. i)T^{2} \)
37 \( 1 - 12.8iT - 1.36e3T^{2} \)
41 \( 1 + (50.1 - 28.9i)T + (840.5 - 1.45e3i)T^{2} \)
43 \( 1 - 29.2T + 1.84e3T^{2} \)
47 \( 1 + (-22.2 + 38.5i)T + (-1.10e3 - 1.91e3i)T^{2} \)
53 \( 1 + (15.1 - 8.76i)T + (1.40e3 - 2.43e3i)T^{2} \)
59 \( 1 + (41.2 - 23.8i)T + (1.74e3 - 3.01e3i)T^{2} \)
61 \( 1 + (34.9 - 60.6i)T + (-1.86e3 - 3.22e3i)T^{2} \)
67 \( 1 + 20.8iT - 4.48e3T^{2} \)
71 \( 1 + (-99.8 - 57.6i)T + (2.52e3 + 4.36e3i)T^{2} \)
73 \( 1 + (-66.8 + 115. i)T + (-2.66e3 - 4.61e3i)T^{2} \)
79 \( 1 - 15.8iT - 6.24e3T^{2} \)
83 \( 1 + (-47.6 - 82.5i)T + (-3.44e3 + 5.96e3i)T^{2} \)
89 \( 1 + (70.8 - 40.8i)T + (3.96e3 - 6.85e3i)T^{2} \)
97 \( 1 - 45.2iT - 9.40e3T^{2} \)
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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

−9.584026602826273615111205463873, −9.275591491129854902379644791799, −8.191368493108851089856042863641, −7.23716153392262812661006804933, −6.81548343583740383066043289929, −5.52676995754057846856013532441, −4.28949722048667536007971416687, −3.16839460475323338561916323308, −2.04424535880626914781807436036, −0.63067375845724495208306925839, 1.69187764666295410289747468638, 3.24675028400227845903680572837, 3.70525180934291202984917143200, 5.18935160710923904194533063906, 5.82755551400803923774252028303, 7.28784465400632445129066417360, 8.069627674669579897949831196285, 8.929371067077275550518201965894, 9.603266614912046168343349710303, 10.65657045151048627494729570690

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