Properties

Label 4-21168-1.1-c1e2-0-1
Degree $4$
Conductor $21168$
Sign $1$
Analytic cond. $1.34969$
Root an. cond. $1.07785$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 3-s + 2·7-s + 9-s + 6·19-s − 2·21-s − 2·25-s − 27-s + 4·31-s + 4·37-s − 2·43-s − 3·49-s − 6·57-s + 2·61-s + 2·63-s + 16·67-s + 4·73-s + 2·75-s + 4·79-s + 81-s − 4·93-s − 28·97-s − 8·103-s − 12·109-s − 4·111-s − 4·121-s + 127-s + 2·129-s + ⋯
L(s)  = 1  − 0.577·3-s + 0.755·7-s + 1/3·9-s + 1.37·19-s − 0.436·21-s − 2/5·25-s − 0.192·27-s + 0.718·31-s + 0.657·37-s − 0.304·43-s − 3/7·49-s − 0.794·57-s + 0.256·61-s + 0.251·63-s + 1.95·67-s + 0.468·73-s + 0.230·75-s + 0.450·79-s + 1/9·81-s − 0.414·93-s − 2.84·97-s − 0.788·103-s − 1.14·109-s − 0.379·111-s − 0.363·121-s + 0.0887·127-s + 0.176·129-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: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((4,\ 21168,\ (\ :1/2, 1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.073737041\)
\(L(\frac12)\) \(\approx\) \(1.073737041\)
\(L(\frac{3}{2})\) 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$C_2$ \( 1 - 2 T + p T^{2} \)
good5$C_2^2$ \( 1 + 2 T^{2} + p^{2} T^{4} \)
11$C_2^2$ \( 1 + 4 T^{2} + p^{2} T^{4} \)
13$C_2$ \( ( 1 - 2 T + p T^{2} )( 1 + 2 T + p T^{2} ) \)
17$C_2$ \( ( 1 - 4 T + p T^{2} )( 1 + 4 T + p T^{2} ) \)
19$C_2$$\times$$C_2$ \( ( 1 - 6 T + p T^{2} )( 1 + p T^{2} ) \)
23$C_2^2$ \( 1 - 40 T^{2} + p^{2} T^{4} \)
29$C_2^2$ \( 1 - 2 T^{2} + p^{2} T^{4} \)
31$C_2$$\times$$C_2$ \( ( 1 - 4 T + p T^{2} )( 1 + p T^{2} ) \)
37$C_2$$\times$$C_2$ \( ( 1 - 8 T + p T^{2} )( 1 + 4 T + p T^{2} ) \)
41$C_2^2$ \( 1 - 2 T^{2} + p^{2} T^{4} \)
43$C_2$$\times$$C_2$ \( ( 1 - 6 T + p T^{2} )( 1 + 8 T + p T^{2} ) \)
47$C_2^2$ \( 1 - 26 T^{2} + p^{2} T^{4} \)
53$C_2^2$ \( 1 + 18 T^{2} + p^{2} T^{4} \)
59$C_2^2$ \( 1 - 38 T^{2} + p^{2} T^{4} \)
61$C_2$$\times$$C_2$ \( ( 1 - 8 T + p T^{2} )( 1 + 6 T + p T^{2} ) \)
67$C_2$$\times$$C_2$ \( ( 1 - 12 T + p T^{2} )( 1 - 4 T + p T^{2} ) \)
71$C_2^2$ \( 1 - 72 T^{2} + p^{2} T^{4} \)
73$C_2$$\times$$C_2$ \( ( 1 - 14 T + p T^{2} )( 1 + 10 T + p T^{2} ) \)
79$C_2$$\times$$C_2$ \( ( 1 - 8 T + p T^{2} )( 1 + 4 T + p T^{2} ) \)
83$C_2^2$ \( 1 + 26 T^{2} + p^{2} T^{4} \)
89$C_2^2$ \( 1 + 30 T^{2} + p^{2} T^{4} \)
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

−11.03689707133494805317142061732, −10.29592664785567612656881243758, −9.694854775784094639828679342847, −9.463326567496842712500019211654, −8.530363486299904866701059875888, −8.044798005797339536267492189660, −7.58028861214898877251621559922, −6.86634394617748145784756264081, −6.33174758392500801681126444093, −5.47778937909077083948613968465, −5.14585891639350060862135775783, −4.37830631932726407379099575568, −3.59515561423226742913559575582, −2.52949676136981922055970652309, −1.27434937581930657134057324625, 1.27434937581930657134057324625, 2.52949676136981922055970652309, 3.59515561423226742913559575582, 4.37830631932726407379099575568, 5.14585891639350060862135775783, 5.47778937909077083948613968465, 6.33174758392500801681126444093, 6.86634394617748145784756264081, 7.58028861214898877251621559922, 8.044798005797339536267492189660, 8.530363486299904866701059875888, 9.463326567496842712500019211654, 9.694854775784094639828679342847, 10.29592664785567612656881243758, 11.03689707133494805317142061732

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