Properties

Label 4-21168-1.1-c1e2-0-4
Degree $4$
Conductor $21168$
Sign $1$
Analytic cond. $1.34969$
Root an. cond. $1.07785$
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  + 3-s + 2·7-s + 9-s + 4·13-s − 8·19-s + 2·21-s − 10·25-s + 27-s + 16·31-s + 4·37-s + 4·39-s − 8·43-s + 3·49-s − 8·57-s − 20·61-s + 2·63-s + 16·67-s − 20·73-s − 10·75-s − 8·79-s + 81-s + 8·91-s + 16·93-s − 20·97-s + 16·103-s + 28·109-s + 4·111-s + ⋯
L(s)  = 1  + 0.577·3-s + 0.755·7-s + 1/3·9-s + 1.10·13-s − 1.83·19-s + 0.436·21-s − 2·25-s + 0.192·27-s + 2.87·31-s + 0.657·37-s + 0.640·39-s − 1.21·43-s + 3/7·49-s − 1.05·57-s − 2.56·61-s + 0.251·63-s + 1.95·67-s − 2.34·73-s − 1.15·75-s − 0.900·79-s + 1/9·81-s + 0.838·91-s + 1.65·93-s − 2.03·97-s + 1.57·103-s + 2.68·109-s + 0.379·111-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 21168 ^{s/2} \, \Gamma_{\C}(s)^{2} \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 21168 ^{s/2} \, \Gamma_{\C}(s+1/2)^{2} \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(4\)
Conductor: \(21168\)    =    \(2^{4} \cdot 3^{3} \cdot 7^{2}\)
Sign: $1$
Analytic conductor: \(1.34969\)
Root analytic conductor: \(1.07785\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: no
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((4,\ 21168,\ (\ :1/2, 1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.511096278\)
\(L(\frac12)\) \(\approx\) \(1.511096278\)
\(L(\frac{3}{2})\) 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 \( 1 \)
3$C_1$ \( 1 - T \)
7$C_1$ \( ( 1 - T )^{2} \)
good5$C_2$ \( ( 1 + p T^{2} )^{2} \)
11$C_2$ \( ( 1 - 6 T + p T^{2} )( 1 + 6 T + p T^{2} ) \)
13$C_2$ \( ( 1 - 2 T + p T^{2} )^{2} \)
17$C_2$ \( ( 1 + p T^{2} )^{2} \)
19$C_2$ \( ( 1 + 4 T + p T^{2} )^{2} \)
23$C_2$ \( ( 1 - 6 T + p T^{2} )( 1 + 6 T + p T^{2} ) \)
29$C_2$ \( ( 1 - 6 T + p T^{2} )( 1 + 6 T + p T^{2} ) \)
31$C_2$ \( ( 1 - 8 T + p T^{2} )^{2} \)
37$C_2$ \( ( 1 - 2 T + p T^{2} )^{2} \)
41$C_2$ \( ( 1 - 12 T + p T^{2} )( 1 + 12 T + p T^{2} ) \)
43$C_2$ \( ( 1 + 4 T + p T^{2} )^{2} \)
47$C_2$ \( ( 1 - 12 T + p T^{2} )( 1 + 12 T + p T^{2} ) \)
53$C_2$ \( ( 1 - 6 T + p T^{2} )( 1 + 6 T + p T^{2} ) \)
59$C_2$ \( ( 1 + p T^{2} )^{2} \)
61$C_2$ \( ( 1 + 10 T + p T^{2} )^{2} \)
67$C_2$ \( ( 1 - 8 T + p T^{2} )^{2} \)
71$C_2$ \( ( 1 - 6 T + p T^{2} )( 1 + 6 T + p T^{2} ) \)
73$C_2$ \( ( 1 + 10 T + p T^{2} )^{2} \)
79$C_2$ \( ( 1 + 4 T + p T^{2} )^{2} \)
83$C_2$ \( ( 1 - 12 T + p T^{2} )( 1 + 12 T + p T^{2} ) \)
89$C_2$ \( ( 1 - 12 T + p T^{2} )( 1 + 12 T + p T^{2} ) \)
97$C_2$ \( ( 1 + 10 T + p T^{2} )^{2} \)
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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

−10.85008427837924164556556041776, −10.10483686416197845980665091731, −9.963412816934859098438744607306, −9.072046417107109896038765861128, −8.418500928498397092746321719715, −8.300043091642042619777544931378, −7.74489471466623660805940258686, −6.93446262615281462668117301613, −6.11056271857714724112691707067, −5.98540521798352690518559815387, −4.63917458628061830491997962672, −4.39050801784138122129668187119, −3.53462971911322619523210724383, −2.51752502799515976298852414682, −1.58867103529813382887688476545, 1.58867103529813382887688476545, 2.51752502799515976298852414682, 3.53462971911322619523210724383, 4.39050801784138122129668187119, 4.63917458628061830491997962672, 5.98540521798352690518559815387, 6.11056271857714724112691707067, 6.93446262615281462668117301613, 7.74489471466623660805940258686, 8.300043091642042619777544931378, 8.418500928498397092746321719715, 9.072046417107109896038765861128, 9.963412816934859098438744607306, 10.10483686416197845980665091731, 10.85008427837924164556556041776

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