Properties

Label 4-16928-1.1-c1e2-0-0
Degree $4$
Conductor $16928$
Sign $1$
Analytic cond. $1.07934$
Root an. cond. $1.01927$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive no
Self-dual yes
Analytic rank $0$

Origins

Origins of factors

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Normalization:  

Dirichlet series

L(s)  = 1  − 2-s + 4-s + 8·5-s − 8-s − 6·9-s − 8·10-s − 4·13-s + 16-s − 4·17-s + 6·18-s + 8·20-s + 38·25-s + 4·26-s + 4·29-s − 32-s + 4·34-s − 6·36-s − 8·37-s − 8·40-s + 12·41-s − 48·45-s + 2·49-s − 38·50-s − 4·52-s − 8·53-s − 4·58-s − 16·61-s + ⋯
L(s)  = 1  − 0.707·2-s + 1/2·4-s + 3.57·5-s − 0.353·8-s − 2·9-s − 2.52·10-s − 1.10·13-s + 1/4·16-s − 0.970·17-s + 1.41·18-s + 1.78·20-s + 38/5·25-s + 0.784·26-s + 0.742·29-s − 0.176·32-s + 0.685·34-s − 36-s − 1.31·37-s − 1.26·40-s + 1.87·41-s − 7.15·45-s + 2/7·49-s − 5.37·50-s − 0.554·52-s − 1.09·53-s − 0.525·58-s − 2.04·61-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 16928 ^{s/2} \, \Gamma_{\C}(s)^{2} \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 16928 ^{s/2} \, \Gamma_{\C}(s+1/2)^{2} \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(4\)
Conductor: \(16928\)    =    \(2^{5} \cdot 23^{2}\)
Sign: $1$
Analytic conductor: \(1.07934\)
Root analytic conductor: \(1.01927\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: no
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((4,\ 16928,\ (\ :1/2, 1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.201795812\)
\(L(\frac12)\) \(\approx\) \(1.201795812\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$\Gal(F_p)$$F_p(T)$
bad2$C_1$ \( 1 + T \)
23$C_1$$\times$$C_1$ \( ( 1 - T )( 1 + T ) \)
good3$C_2$ \( ( 1 + p T^{2} )^{2} \)
5$C_2$ \( ( 1 - 4 T + p T^{2} )^{2} \)
7$C_2$ \( ( 1 - 4 T + p T^{2} )( 1 + 4 T + p T^{2} ) \)
11$C_2$ \( ( 1 - 2 T + p T^{2} )( 1 + 2 T + p T^{2} ) \)
13$C_2$ \( ( 1 + 2 T + p T^{2} )^{2} \)
17$C_2$ \( ( 1 + 2 T + p T^{2} )^{2} \)
19$C_2$ \( ( 1 - 2 T + p T^{2} )( 1 + 2 T + p T^{2} ) \)
29$C_2$ \( ( 1 - 2 T + p T^{2} )^{2} \)
31$C_2$ \( ( 1 + p T^{2} )^{2} \)
37$C_2$ \( ( 1 + 4 T + p T^{2} )^{2} \)
41$C_2$ \( ( 1 - 6 T + p T^{2} )^{2} \)
43$C_2$ \( ( 1 - 10 T + p T^{2} )( 1 + 10 T + p T^{2} ) \)
47$C_2$ \( ( 1 + p T^{2} )^{2} \)
53$C_2$ \( ( 1 + 4 T + p T^{2} )^{2} \)
59$C_2$ \( ( 1 - 12 T + p T^{2} )( 1 + 12 T + p T^{2} ) \)
61$C_2$ \( ( 1 + 8 T + p T^{2} )^{2} \)
67$C_2$ \( ( 1 - 10 T + p T^{2} )( 1 + 10 T + p T^{2} ) \)
71$C_2$ \( ( 1 + p T^{2} )^{2} \)
73$C_2$ \( ( 1 - 6 T + p T^{2} )^{2} \)
79$C_2$ \( ( 1 - 12 T + p T^{2} )( 1 + 12 T + p T^{2} ) \)
83$C_2$ \( ( 1 - 14 T + p T^{2} )( 1 + 14 T + p T^{2} ) \)
89$C_2$ \( ( 1 + 6 T + p T^{2} )^{2} \)
97$C_2$ \( ( 1 - 6 T + p T^{2} )^{2} \)
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   \(L(s) = \displaystyle\prod_p \ \prod_{j=1}^{4} (1 - \alpha_{j,p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−10.68153496695016269554639136746, −10.54062617762270704890133609515, −9.594811427439617650906242640583, −9.573778240853111358913501663130, −8.971935452602447588346290189052, −8.689636804269542263141419996184, −7.79508532540708076585721889920, −6.69441913641732873591204403077, −6.43078276958769513552458688049, −5.84432417959727908710252168629, −5.40962343507111122438401931438, −4.88798562712811078749313553550, −2.71817369175489666462579434927, −2.63232737474552247848840602025, −1.74138515374411887221562842274, 1.74138515374411887221562842274, 2.63232737474552247848840602025, 2.71817369175489666462579434927, 4.88798562712811078749313553550, 5.40962343507111122438401931438, 5.84432417959727908710252168629, 6.43078276958769513552458688049, 6.69441913641732873591204403077, 7.79508532540708076585721889920, 8.689636804269542263141419996184, 8.971935452602447588346290189052, 9.573778240853111358913501663130, 9.594811427439617650906242640583, 10.54062617762270704890133609515, 10.68153496695016269554639136746

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