Properties

Label 2-18928-1.1-c1-0-14
Degree $2$
Conductor $18928$
Sign $-1$
Analytic cond. $151.140$
Root an. cond. $12.2939$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

Downloads

Learn more

Normalization:  

Dirichlet series

L(s)  = 1  − 3·3-s + 7-s + 6·9-s − 5·11-s − 4·17-s + 2·19-s − 3·21-s − 5·23-s − 5·25-s − 9·27-s + 4·29-s + 31-s + 15·33-s − 7·37-s + 9·41-s + 12·43-s − 7·47-s + 49-s + 12·51-s − 4·53-s − 6·57-s − 6·59-s + 13·61-s + 6·63-s + 11·67-s + 15·69-s − 7·73-s + ⋯
L(s)  = 1  − 1.73·3-s + 0.377·7-s + 2·9-s − 1.50·11-s − 0.970·17-s + 0.458·19-s − 0.654·21-s − 1.04·23-s − 25-s − 1.73·27-s + 0.742·29-s + 0.179·31-s + 2.61·33-s − 1.15·37-s + 1.40·41-s + 1.82·43-s − 1.02·47-s + 1/7·49-s + 1.68·51-s − 0.549·53-s − 0.794·57-s − 0.781·59-s + 1.66·61-s + 0.755·63-s + 1.34·67-s + 1.80·69-s − 0.819·73-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 18928 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 18928 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(18928\)    =    \(2^{4} \cdot 7 \cdot 13^{2}\)
Sign: $-1$
Analytic conductor: \(151.140\)
Root analytic conductor: \(12.2939\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 18928,\ (\ :1/2),\ -1)\)

Particular Values

\(L(1)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
7 \( 1 - T \)
13 \( 1 \)
good3 \( 1 + p T + p T^{2} \)
5 \( 1 + p T^{2} \)
11 \( 1 + 5 T + p T^{2} \)
17 \( 1 + 4 T + p T^{2} \)
19 \( 1 - 2 T + p T^{2} \)
23 \( 1 + 5 T + p T^{2} \)
29 \( 1 - 4 T + p T^{2} \)
31 \( 1 - T + p T^{2} \)
37 \( 1 + 7 T + p T^{2} \)
41 \( 1 - 9 T + p T^{2} \)
43 \( 1 - 12 T + p T^{2} \)
47 \( 1 + 7 T + p T^{2} \)
53 \( 1 + 4 T + p T^{2} \)
59 \( 1 + 6 T + p T^{2} \)
61 \( 1 - 13 T + p T^{2} \)
67 \( 1 - 11 T + p T^{2} \)
71 \( 1 + p T^{2} \)
73 \( 1 + 7 T + p T^{2} \)
79 \( 1 - 17 T + p T^{2} \)
83 \( 1 - 4 T + p T^{2} \)
89 \( 1 + 14 T + p T^{2} \)
97 \( 1 + 5 T + p T^{2} \)
show more
show less
   \(L(s) = \displaystyle\prod_p \ \prod_{j=1}^{2} (1 - \alpha_{j,p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−16.06642294383324, −15.59621176438472, −15.35544385507410, −14.09404512990058, −13.93254025174538, −12.93435281011904, −12.73528500194312, −12.08516741011318, −11.46794040900017, −11.11487419737247, −10.55224730454876, −10.10531622839055, −9.538131935118055, −8.613791401563375, −7.834710731580024, −7.502804089093432, −6.654588678819167, −6.118612573548972, −5.540045760989984, −5.048565798983999, −4.481857898225361, −3.799010382066435, −2.582939121150745, −1.899409397695205, −0.7851500056035390, 0, 0.7851500056035390, 1.899409397695205, 2.582939121150745, 3.799010382066435, 4.481857898225361, 5.048565798983999, 5.540045760989984, 6.118612573548972, 6.654588678819167, 7.502804089093432, 7.834710731580024, 8.613791401563375, 9.538131935118055, 10.10531622839055, 10.55224730454876, 11.11487419737247, 11.46794040900017, 12.08516741011318, 12.73528500194312, 12.93435281011904, 13.93254025174538, 14.09404512990058, 15.35544385507410, 15.59621176438472, 16.06642294383324

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