Properties

Label 2-684-4.3-c2-0-27
Degree $2$
Conductor $684$
Sign $0.985 + 0.170i$
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  + (−1.28 − 1.52i)2-s + (−0.680 + 3.94i)4-s − 3.40·5-s + 4.01i·7-s + (6.90 − 4.03i)8-s + (4.38 + 5.21i)10-s − 13.8i·11-s + 13.1·13-s + (6.13 − 5.16i)14-s + (−15.0 − 5.36i)16-s − 31.1·17-s + 4.35i·19-s + (2.31 − 13.4i)20-s + (−21.2 + 17.8i)22-s + 18.4i·23-s + ⋯
L(s)  = 1  + (−0.644 − 0.764i)2-s + (−0.170 + 0.985i)4-s − 0.681·5-s + 0.572i·7-s + (0.863 − 0.504i)8-s + (0.438 + 0.521i)10-s − 1.26i·11-s + 1.00·13-s + (0.438 − 0.369i)14-s + (−0.942 − 0.335i)16-s − 1.83·17-s + 0.229i·19-s + (0.115 − 0.671i)20-s + (−0.964 + 0.811i)22-s + 0.800i·23-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 684 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.985 + 0.170i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 684 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (0.985 + 0.170i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(684\)    =    \(2^{2} \cdot 3^{2} \cdot 19\)
Sign: $0.985 + 0.170i$
Analytic conductor: \(18.6376\)
Root analytic conductor: \(4.31713\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{684} (343, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 684,\ (\ :1),\ 0.985 + 0.170i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(0.9596049298\)
\(L(\frac12)\) \(\approx\) \(0.9596049298\)
\(L(2)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (1.28 + 1.52i)T \)
3 \( 1 \)
19 \( 1 - 4.35iT \)
good5 \( 1 + 3.40T + 25T^{2} \)
7 \( 1 - 4.01iT - 49T^{2} \)
11 \( 1 + 13.8iT - 121T^{2} \)
13 \( 1 - 13.1T + 169T^{2} \)
17 \( 1 + 31.1T + 289T^{2} \)
23 \( 1 - 18.4iT - 529T^{2} \)
29 \( 1 - 43.7T + 841T^{2} \)
31 \( 1 - 27.9iT - 961T^{2} \)
37 \( 1 - 40.4T + 1.36e3T^{2} \)
41 \( 1 - 28.2T + 1.68e3T^{2} \)
43 \( 1 + 81.5iT - 1.84e3T^{2} \)
47 \( 1 - 59.2iT - 2.20e3T^{2} \)
53 \( 1 - 38.7T + 2.80e3T^{2} \)
59 \( 1 - 59.4iT - 3.48e3T^{2} \)
61 \( 1 - 29.2T + 3.72e3T^{2} \)
67 \( 1 - 12.0iT - 4.48e3T^{2} \)
71 \( 1 + 5.79iT - 5.04e3T^{2} \)
73 \( 1 - 41.8T + 5.32e3T^{2} \)
79 \( 1 + 0.805iT - 6.24e3T^{2} \)
83 \( 1 - 136. iT - 6.88e3T^{2} \)
89 \( 1 - 150.T + 7.92e3T^{2} \)
97 \( 1 - 50.3T + 9.40e3T^{2} \)
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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

−10.48872235567260162544384386679, −9.175246815531119214283952419528, −8.650515298331885323543284942801, −8.048546306953436137818031894334, −6.87149515329463868745436974803, −5.83296542963928845027454806314, −4.34936175415449108636119306770, −3.50429616826672707986820278755, −2.40754676925281621089761441952, −0.855335708888654821245613271960, 0.62226075218673611660221264322, 2.20444215356167339474147571869, 4.19340002268828156715093178047, 4.64148259732612498061460034347, 6.22301124300796728024814652433, 6.82630936520215496017245221944, 7.71901642492644020833675049940, 8.442551394049231251702230849102, 9.312206084306721669269414322697, 10.20623401929073375940209230302

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