Properties

Label 2-684-19.18-c2-0-14
Degree $2$
Conductor $684$
Sign $-0.684 + 0.729i$
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  − 2·7-s − 13.8i·13-s + (−13 + 13.8i)19-s − 25·25-s − 41.5i·31-s − 69.2i·37-s − 22·43-s − 45·49-s − 74·61-s − 55.4i·67-s − 46·73-s − 69.2i·79-s + 27.7i·91-s − 193. i·97-s + 69.2i·103-s + ⋯
L(s)  = 1  − 0.285·7-s − 1.06i·13-s + (−0.684 + 0.729i)19-s − 25-s − 1.34i·31-s − 1.87i·37-s − 0.511·43-s − 0.918·49-s − 1.21·61-s − 0.827i·67-s − 0.630·73-s − 0.876i·79-s + 0.304i·91-s − 1.99i·97-s + 0.672i·103-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 684 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.684 + 0.729i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 684 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (-0.684 + 0.729i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(684\)    =    \(2^{2} \cdot 3^{2} \cdot 19\)
Sign: $-0.684 + 0.729i$
Analytic conductor: \(18.6376\)
Root analytic conductor: \(4.31713\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{684} (37, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 684,\ (\ :1),\ -0.684 + 0.729i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(0.7469556449\)
\(L(\frac12)\) \(\approx\) \(0.7469556449\)
\(L(2)\) 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 \( 1 \)
19 \( 1 + (13 - 13.8i)T \)
good5 \( 1 + 25T^{2} \)
7 \( 1 + 2T + 49T^{2} \)
11 \( 1 + 121T^{2} \)
13 \( 1 + 13.8iT - 169T^{2} \)
17 \( 1 + 289T^{2} \)
23 \( 1 + 529T^{2} \)
29 \( 1 - 841T^{2} \)
31 \( 1 + 41.5iT - 961T^{2} \)
37 \( 1 + 69.2iT - 1.36e3T^{2} \)
41 \( 1 - 1.68e3T^{2} \)
43 \( 1 + 22T + 1.84e3T^{2} \)
47 \( 1 + 2.20e3T^{2} \)
53 \( 1 - 2.80e3T^{2} \)
59 \( 1 - 3.48e3T^{2} \)
61 \( 1 + 74T + 3.72e3T^{2} \)
67 \( 1 + 55.4iT - 4.48e3T^{2} \)
71 \( 1 - 5.04e3T^{2} \)
73 \( 1 + 46T + 5.32e3T^{2} \)
79 \( 1 + 69.2iT - 6.24e3T^{2} \)
83 \( 1 + 6.88e3T^{2} \)
89 \( 1 - 7.92e3T^{2} \)
97 \( 1 + 193. iT - 9.40e3T^{2} \)
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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

−10.00229317590574280893089601781, −9.169612419411650410219666604447, −8.106805326885983890349195914311, −7.49226122326568018692123791774, −6.22494029760490995195735330313, −5.59418225127288183103015524993, −4.29757220011257812927228317226, −3.29908411790347615167131401283, −1.99768614249191716496183668197, −0.25647752265183202834347007699, 1.60954175719711653424967202922, 2.94008588727046206248111386239, 4.15052676258395661547726760607, 5.06501410485378818501030534332, 6.34757415330698108388573505031, 6.90483454677010773843409982406, 8.074341752095899993765634886160, 8.918602733232598266644600421781, 9.703544158313257447368248180357, 10.55882131995040134463913996220

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