Properties

Label 4-160e2-1.1-c1e2-0-5
Degree $4$
Conductor $25600$
Sign $1$
Analytic cond. $1.63227$
Root an. cond. $1.13031$
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  + 8·7-s − 6·9-s + 4·17-s − 8·23-s + 25-s + 16·31-s − 12·41-s − 8·47-s + 34·49-s − 48·63-s − 12·73-s + 27·81-s − 12·89-s − 28·97-s − 8·103-s + 36·113-s + 32·119-s − 6·121-s + 127-s + 131-s + 137-s + 139-s + 149-s + 151-s − 24·153-s + 157-s − 64·161-s + ⋯
L(s)  = 1  + 3.02·7-s − 2·9-s + 0.970·17-s − 1.66·23-s + 1/5·25-s + 2.87·31-s − 1.87·41-s − 1.16·47-s + 34/7·49-s − 6.04·63-s − 1.40·73-s + 3·81-s − 1.27·89-s − 2.84·97-s − 0.788·103-s + 3.38·113-s + 2.93·119-s − 0.545·121-s + 0.0887·127-s + 0.0873·131-s + 0.0854·137-s + 0.0848·139-s + 0.0819·149-s + 0.0813·151-s − 1.94·153-s + 0.0798·157-s − 5.04·161-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 25600 ^{s/2} \, \Gamma_{\C}(s)^{2} \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 25600 ^{s/2} \, \Gamma_{\C}(s+1/2)^{2} \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(4\)
Conductor: \(25600\)    =    \(2^{10} \cdot 5^{2}\)
Sign: $1$
Analytic conductor: \(1.63227\)
Root analytic conductor: \(1.13031\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: no
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((4,\ 25600,\ (\ :1/2, 1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.441076799\)
\(L(\frac12)\) \(\approx\) \(1.441076799\)
\(L(\frac{3}{2})\) 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 \( 1 \)
5$C_1$$\times$$C_1$ \( ( 1 - T )( 1 + T ) \)
good3$C_2$ \( ( 1 + p T^{2} )^{2} \)
7$C_2$ \( ( 1 - 4 T + p T^{2} )^{2} \)
11$C_2$ \( ( 1 - 4 T + p T^{2} )( 1 + 4 T + p T^{2} ) \)
13$C_2$ \( ( 1 - 2 T + p T^{2} )( 1 + 2 T + p T^{2} ) \)
17$C_2$ \( ( 1 - 2 T + p T^{2} )^{2} \)
19$C_2$ \( ( 1 - 4 T + p T^{2} )( 1 + 4 T + p T^{2} ) \)
23$C_2$ \( ( 1 + 4 T + p T^{2} )^{2} \)
29$C_2$ \( ( 1 - 2 T + p T^{2} )( 1 + 2 T + p T^{2} ) \)
31$C_2$ \( ( 1 - 8 T + p T^{2} )^{2} \)
37$C_2$ \( ( 1 - 6 T + p T^{2} )( 1 + 6 T + p T^{2} ) \)
41$C_2$ \( ( 1 + 6 T + p T^{2} )^{2} \)
43$C_2$ \( ( 1 - 8 T + p T^{2} )( 1 + 8 T + p T^{2} ) \)
47$C_2$ \( ( 1 + 4 T + p T^{2} )^{2} \)
53$C_2$ \( ( 1 - 6 T + p T^{2} )( 1 + 6 T + p T^{2} ) \)
59$C_2$ \( ( 1 - 4 T + p T^{2} )( 1 + 4 T + p T^{2} ) \)
61$C_2$ \( ( 1 - 2 T + p T^{2} )( 1 + 2 T + p T^{2} ) \)
67$C_2$ \( ( 1 - 8 T + p T^{2} )( 1 + 8 T + p T^{2} ) \)
71$C_2$ \( ( 1 + p T^{2} )^{2} \)
73$C_2$ \( ( 1 + 6 T + p T^{2} )^{2} \)
79$C_2$ \( ( 1 + p T^{2} )^{2} \)
83$C_2$ \( ( 1 - 16 T + p T^{2} )( 1 + 16 T + p T^{2} ) \)
89$C_2$ \( ( 1 + 6 T + p T^{2} )^{2} \)
97$C_2$ \( ( 1 + 14 T + p T^{2} )^{2} \)
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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

−10.98792460132555645103756947006, −10.12246838996141367241613997715, −9.759879680318004905765589416029, −8.521590142691914902934262227672, −8.438761280447847026288494531448, −8.187189248591461729679142296814, −7.75327442992794184642667314086, −6.81982863783073968912914119025, −5.84906736542976130410760055690, −5.61529786752672156928392151688, −4.76905661119552301505559653794, −4.55607707806255331316875895933, −3.31415635628336508949565358363, −2.39961978181641342090490014624, −1.46465509347525672726427035614, 1.46465509347525672726427035614, 2.39961978181641342090490014624, 3.31415635628336508949565358363, 4.55607707806255331316875895933, 4.76905661119552301505559653794, 5.61529786752672156928392151688, 5.84906736542976130410760055690, 6.81982863783073968912914119025, 7.75327442992794184642667314086, 8.187189248591461729679142296814, 8.438761280447847026288494531448, 8.521590142691914902934262227672, 9.759879680318004905765589416029, 10.12246838996141367241613997715, 10.98792460132555645103756947006

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