Properties

Label 4-80e2-1.1-c1e2-0-8
Degree $4$
Conductor $6400$
Sign $1$
Analytic cond. $0.408069$
Root an. cond. $0.799251$
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  + 2·2-s − 2·3-s + 2·4-s + 4·5-s − 4·6-s + 2·9-s + 8·10-s − 6·11-s − 4·12-s − 6·13-s − 8·15-s − 4·16-s + 4·18-s − 2·19-s + 8·20-s − 12·22-s + 16·23-s + 11·25-s − 12·26-s − 6·27-s + 6·29-s − 16·30-s − 8·32-s + 12·33-s + 4·36-s − 6·37-s − 4·38-s + ⋯
L(s)  = 1  + 1.41·2-s − 1.15·3-s + 4-s + 1.78·5-s − 1.63·6-s + 2/3·9-s + 2.52·10-s − 1.80·11-s − 1.15·12-s − 1.66·13-s − 2.06·15-s − 16-s + 0.942·18-s − 0.458·19-s + 1.78·20-s − 2.55·22-s + 3.33·23-s + 11/5·25-s − 2.35·26-s − 1.15·27-s + 1.11·29-s − 2.92·30-s − 1.41·32-s + 2.08·33-s + 2/3·36-s − 0.986·37-s − 0.648·38-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 6400 ^{s/2} \, \Gamma_{\C}(s)^{2} \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 6400 ^{s/2} \, \Gamma_{\C}(s+1/2)^{2} \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(4\)
Conductor: \(6400\)    =    \(2^{8} \cdot 5^{2}\)
Sign: $1$
Analytic conductor: \(0.408069\)
Root analytic conductor: \(0.799251\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: no
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((4,\ 6400,\ (\ :1/2, 1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.398411631\)
\(L(\frac12)\) \(\approx\) \(1.398411631\)
\(L(\frac{3}{2})\) 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$C_2$ \( 1 - p T + p T^{2} \)
5$C_2$ \( 1 - 4 T + p T^{2} \)
good3$C_2^2$ \( 1 + 2 T + 2 T^{2} + 2 p T^{3} + p^{2} T^{4} \)
7$C_2$ \( ( 1 + p T^{2} )^{2} \)
11$C_2^2$ \( 1 + 6 T + 18 T^{2} + 6 p T^{3} + p^{2} T^{4} \)
13$C_2^2$ \( 1 + 6 T + 18 T^{2} + 6 p T^{3} + p^{2} T^{4} \)
17$C_2^2$ \( 1 - 18 T^{2} + p^{2} T^{4} \)
19$C_2^2$ \( 1 + 2 T + 2 T^{2} + 2 p T^{3} + p^{2} T^{4} \)
23$C_2$ \( ( 1 - 8 T + p T^{2} )^{2} \)
29$C_2$ \( ( 1 - 10 T + p T^{2} )( 1 + 4 T + p T^{2} ) \)
31$C_2$ \( ( 1 + p T^{2} )^{2} \)
37$C_2^2$ \( 1 + 6 T + 18 T^{2} + 6 p T^{3} + p^{2} T^{4} \)
41$C_2$ \( ( 1 - p T^{2} )^{2} \)
43$C_2^2$ \( 1 + 6 T + 18 T^{2} + 6 p T^{3} + p^{2} T^{4} \)
47$C_2^2$ \( 1 - 90 T^{2} + p^{2} T^{4} \)
53$C_2$ \( ( 1 - 14 T + p T^{2} )( 1 - 4 T + p T^{2} ) \)
59$C_2^2$ \( 1 - 18 T + 162 T^{2} - 18 p T^{3} + p^{2} T^{4} \)
61$C_2^2$ \( 1 + 10 T + 50 T^{2} + 10 p T^{3} + p^{2} T^{4} \)
67$C_2^2$ \( 1 - 6 T + 18 T^{2} - 6 p T^{3} + p^{2} T^{4} \)
71$C_2^2$ \( 1 - 106 T^{2} + p^{2} T^{4} \)
73$C_2$ \( ( 1 + 6 T + p T^{2} )^{2} \)
79$C_2$ \( ( 1 - 8 T + p T^{2} )^{2} \)
83$C_2^2$ \( 1 + 18 T + 162 T^{2} + 18 p T^{3} + p^{2} T^{4} \)
89$C_2^2$ \( 1 - 34 T^{2} + p^{2} T^{4} \)
97$C_2^2$ \( 1 - 50 T^{2} + p^{2} T^{4} \)
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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

−14.57742198816264828588736620394, −14.04901381589848517669287105152, −13.21263327872961666426845699339, −13.12580103815786168627567314299, −12.85605969118348066594036764241, −12.17801621362332164398493210095, −11.49524970232935581612553876823, −10.96056544901509384935604857787, −10.26075897927273957609018588390, −10.07059388567639789516193372782, −9.228785443790332110863380008958, −8.550786391460375997190461702687, −7.18837648543051429883700073371, −6.91565115638612820206505696023, −6.13044312346254729524365106867, −5.28560249338780965286128836829, −5.16957075528633276263265883990, −4.81303490109649790741175582599, −3.00055124653600007170672131703, −2.35800388573391443252054775612, 2.35800388573391443252054775612, 3.00055124653600007170672131703, 4.81303490109649790741175582599, 5.16957075528633276263265883990, 5.28560249338780965286128836829, 6.13044312346254729524365106867, 6.91565115638612820206505696023, 7.18837648543051429883700073371, 8.550786391460375997190461702687, 9.228785443790332110863380008958, 10.07059388567639789516193372782, 10.26075897927273957609018588390, 10.96056544901509384935604857787, 11.49524970232935581612553876823, 12.17801621362332164398493210095, 12.85605969118348066594036764241, 13.12580103815786168627567314299, 13.21263327872961666426845699339, 14.04901381589848517669287105152, 14.57742198816264828588736620394

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