Properties

Label 4-7e4-1.1-c1e2-0-1
Degree $4$
Conductor $2401$
Sign $1$
Analytic cond. $0.153089$
Root an. cond. $0.625513$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive no
Self-dual yes
Analytic rank $0$

Origins

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Origins of factors

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Normalization:  

Dirichlet series

L(s)  = 1  + 2·2-s − 4-s − 8·8-s − 6·9-s + 8·11-s − 7·16-s − 12·18-s + 16·22-s + 16·23-s − 10·25-s + 4·29-s + 14·32-s + 6·36-s − 12·37-s − 24·43-s − 8·44-s + 32·46-s − 20·50-s − 20·53-s + 8·58-s + 35·64-s + 8·67-s + 32·71-s + 48·72-s − 24·74-s + 16·79-s + 27·81-s + ⋯
L(s)  = 1  + 1.41·2-s − 1/2·4-s − 2.82·8-s − 2·9-s + 2.41·11-s − 7/4·16-s − 2.82·18-s + 3.41·22-s + 3.33·23-s − 2·25-s + 0.742·29-s + 2.47·32-s + 36-s − 1.97·37-s − 3.65·43-s − 1.20·44-s + 4.71·46-s − 2.82·50-s − 2.74·53-s + 1.05·58-s + 35/8·64-s + 0.977·67-s + 3.79·71-s + 5.65·72-s − 2.78·74-s + 1.80·79-s + 3·81-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 2401 ^{s/2} \, \Gamma_{\C}(s)^{2} \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 2401 ^{s/2} \, \Gamma_{\C}(s+1/2)^{2} \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(4\)
Conductor: \(2401\)    =    \(7^{4}\)
Sign: $1$
Analytic conductor: \(0.153089\)
Root analytic conductor: \(0.625513\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: no
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((4,\ 2401,\ (\ :1/2, 1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(0.9344235377\)
\(L(\frac12)\) \(\approx\) \(0.9344235377\)
\(L(\frac{3}{2})\) 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)$
bad7 \( 1 \)
good2$C_2$ \( ( 1 - T + p T^{2} )^{2} \)
3$C_2$ \( ( 1 + p T^{2} )^{2} \)
5$C_2$ \( ( 1 + p T^{2} )^{2} \)
11$C_2$ \( ( 1 - 4 T + p T^{2} )^{2} \)
13$C_2$ \( ( 1 + p T^{2} )^{2} \)
17$C_2$ \( ( 1 + p T^{2} )^{2} \)
19$C_2$ \( ( 1 + p T^{2} )^{2} \)
23$C_2$ \( ( 1 - 8 T + p T^{2} )^{2} \)
29$C_2$ \( ( 1 - 2 T + p T^{2} )^{2} \)
31$C_2$ \( ( 1 + p T^{2} )^{2} \)
37$C_2$ \( ( 1 + 6 T + p T^{2} )^{2} \)
41$C_2$ \( ( 1 + p T^{2} )^{2} \)
43$C_2$ \( ( 1 + 12 T + p T^{2} )^{2} \)
47$C_2$ \( ( 1 + p T^{2} )^{2} \)
53$C_2$ \( ( 1 + 10 T + p T^{2} )^{2} \)
59$C_2$ \( ( 1 + p T^{2} )^{2} \)
61$C_2$ \( ( 1 + p T^{2} )^{2} \)
67$C_2$ \( ( 1 - 4 T + p T^{2} )^{2} \)
71$C_2$ \( ( 1 - 16 T + p T^{2} )^{2} \)
73$C_2$ \( ( 1 + p T^{2} )^{2} \)
79$C_2$ \( ( 1 - 8 T + p T^{2} )^{2} \)
83$C_2$ \( ( 1 + p T^{2} )^{2} \)
89$C_2$ \( ( 1 + p T^{2} )^{2} \)
97$C_2$ \( ( 1 + p T^{2} )^{2} \)
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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

−18.93330835276049829789695936351, −17.58953823246936007643954304401, −17.58953823246936007643954304401, −16.91414841722080276990447443364, −16.91414841722080276990447443364, −15.25649719028727745654998030256, −15.25649719028727745654998030256, −14.36789003254179224985767994212, −14.36789003254179224985767994212, −13.55829126515041538892762617601, −13.55829126515041538892762617601, −12.27943344760252552732176729088, −12.27943344760252552732176729088, −11.30850265031875128052013945557, −11.30850265031875128052013945557, −9.489525085039792097687572288594, −9.489525085039792097687572288594, −8.498120181782134288657898916471, −8.498120181782134288657898916471, −6.47803659589426412986704519993, −6.47803659589426412986704519993, −5.08673463814783736975452386140, −5.08673463814783736975452386140, −3.45773984941604093394269964405, −3.45773984941604093394269964405, 3.45773984941604093394269964405, 3.45773984941604093394269964405, 5.08673463814783736975452386140, 5.08673463814783736975452386140, 6.47803659589426412986704519993, 6.47803659589426412986704519993, 8.498120181782134288657898916471, 8.498120181782134288657898916471, 9.489525085039792097687572288594, 9.489525085039792097687572288594, 11.30850265031875128052013945557, 11.30850265031875128052013945557, 12.27943344760252552732176729088, 12.27943344760252552732176729088, 13.55829126515041538892762617601, 13.55829126515041538892762617601, 14.36789003254179224985767994212, 14.36789003254179224985767994212, 15.25649719028727745654998030256, 15.25649719028727745654998030256, 16.91414841722080276990447443364, 16.91414841722080276990447443364, 17.58953823246936007643954304401, 17.58953823246936007643954304401, 18.93330835276049829789695936351

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