Properties

Label 4-645248-1.1-c1e2-0-1
Degree $4$
Conductor $645248$
Sign $-1$
Analytic cond. $41.1415$
Root an. cond. $2.53262$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive no
Self-dual yes
Analytic rank $1$

Origins

Origins of factors

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Normalization:  

Dirichlet series

L(s)  = 1  + 2-s − 6·3-s + 4-s − 6·6-s + 8-s + 21·9-s − 6·12-s + 16-s + 21·18-s − 10·19-s − 6·24-s + 6·25-s − 54·27-s + 32-s + 21·36-s − 10·38-s + 8·41-s − 10·43-s − 6·48-s − 5·49-s + 6·50-s − 54·54-s + 60·57-s + 20·59-s + 64-s − 8·67-s + 21·72-s + ⋯
L(s)  = 1  + 0.707·2-s − 3.46·3-s + 1/2·4-s − 2.44·6-s + 0.353·8-s + 7·9-s − 1.73·12-s + 1/4·16-s + 4.94·18-s − 2.29·19-s − 1.22·24-s + 6/5·25-s − 10.3·27-s + 0.176·32-s + 7/2·36-s − 1.62·38-s + 1.24·41-s − 1.52·43-s − 0.866·48-s − 5/7·49-s + 0.848·50-s − 7.34·54-s + 7.94·57-s + 2.60·59-s + 1/8·64-s − 0.977·67-s + 2.47·72-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 645248 ^{s/2} \, \Gamma_{\C}(s)^{2} \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 645248 ^{s/2} \, \Gamma_{\C}(s+1/2)^{2} \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(4\)
Conductor: \(645248\)    =    \(2^{7} \cdot 71^{2}\)
Sign: $-1$
Analytic conductor: \(41.1415\)
Root analytic conductor: \(2.53262\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: no
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((4,\ 645248,\ (\ :1/2, 1/2),\ -1)\)

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$$\Gal(F_p)$$F_p(T)$
bad2$C_1$ \( 1 - T \)
71$C_1$$\times$$C_1$ \( ( 1 - T )( 1 + T ) \)
good3$C_2$ \( ( 1 + p T + p T^{2} )^{2} \)
5$C_2$ \( ( 1 - 4 T + p T^{2} )( 1 + 4 T + p T^{2} ) \)
7$C_2$ \( ( 1 - 3 T + p T^{2} )( 1 + 3 T + p T^{2} ) \)
11$C_2$ \( ( 1 + p T^{2} )^{2} \)
13$C_2$ \( ( 1 - T + p T^{2} )( 1 + T + p T^{2} ) \)
17$C_2$ \( ( 1 + p T^{2} )^{2} \)
19$C_2$ \( ( 1 + 5 T + p T^{2} )^{2} \)
23$C_2$ \( ( 1 - 7 T + p T^{2} )( 1 + 7 T + p T^{2} ) \)
29$C_2$ \( ( 1 - 8 T + p T^{2} )( 1 + 8 T + p T^{2} ) \)
31$C_2$ \( ( 1 - 7 T + p T^{2} )( 1 + 7 T + p T^{2} ) \)
37$C_2$ \( ( 1 - 4 T + p T^{2} )( 1 + 4 T + p T^{2} ) \)
41$C_2$ \( ( 1 - 4 T + p T^{2} )^{2} \)
43$C_2$ \( ( 1 + 5 T + p T^{2} )^{2} \)
47$C_2$ \( ( 1 - 13 T + p T^{2} )( 1 + 13 T + p T^{2} ) \)
53$C_2$ \( ( 1 - 6 T + p T^{2} )( 1 + 6 T + p T^{2} ) \)
59$C_2$ \( ( 1 - 10 T + p T^{2} )^{2} \)
61$C_2$ \( ( 1 - 2 T + p T^{2} )( 1 + 2 T + p T^{2} ) \)
67$C_2$ \( ( 1 + 4 T + p T^{2} )^{2} \)
73$C_2$ \( ( 1 - 7 T + p T^{2} )^{2} \)
79$C_2$ \( ( 1 + p T^{2} )^{2} \)
83$C_2$ \( ( 1 + 4 T + p T^{2} )^{2} \)
89$C_2$ \( ( 1 + 3 T + p T^{2} )^{2} \)
97$C_2$ \( ( 1 + 4 T + p T^{2} )^{2} \)
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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

−8.015127034089896271738111260335, −7.19510826607411358550241547791, −6.79665889988949967719732090774, −6.72726504320701495197449588428, −6.06956565112627680353985311275, −6.00802937924645068372500171262, −5.31957522354665396045702186375, −5.04650939586985321436896693077, −4.59340547650806364343033240582, −4.22216049290866687245255073450, −3.69652118358615221384815805348, −2.53675892669785388180575829109, −1.69517936438262700861480943218, −0.891967053262301195338534272444, 0, 0.891967053262301195338534272444, 1.69517936438262700861480943218, 2.53675892669785388180575829109, 3.69652118358615221384815805348, 4.22216049290866687245255073450, 4.59340547650806364343033240582, 5.04650939586985321436896693077, 5.31957522354665396045702186375, 6.00802937924645068372500171262, 6.06956565112627680353985311275, 6.72726504320701495197449588428, 6.79665889988949967719732090774, 7.19510826607411358550241547791, 8.015127034089896271738111260335

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