Properties

Label 4-642816-1.1-c1e2-0-1
Degree $4$
Conductor $642816$
Sign $1$
Analytic cond. $40.9865$
Root an. cond. $2.53023$
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  − 7-s + 13-s + 5·19-s − 25-s − 6·31-s − 5·37-s + 2·43-s − 11·49-s + 61-s + 14·67-s + 19·73-s − 79-s − 91-s − 14·97-s + 17·103-s + 13·109-s + 5·121-s + 127-s + 131-s − 5·133-s + 137-s + 139-s + 149-s + 151-s + 157-s + 163-s + 167-s + ⋯
L(s)  = 1  − 0.377·7-s + 0.277·13-s + 1.14·19-s − 1/5·25-s − 1.07·31-s − 0.821·37-s + 0.304·43-s − 1.57·49-s + 0.128·61-s + 1.71·67-s + 2.22·73-s − 0.112·79-s − 0.104·91-s − 1.42·97-s + 1.67·103-s + 1.24·109-s + 5/11·121-s + 0.0887·127-s + 0.0873·131-s − 0.433·133-s + 0.0854·137-s + 0.0848·139-s + 0.0819·149-s + 0.0813·151-s + 0.0798·157-s + 0.0783·163-s + 0.0773·167-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 642816 ^{s/2} \, \Gamma_{\C}(s)^{2} \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 642816 ^{s/2} \, \Gamma_{\C}(s+1/2)^{2} \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(4\)
Conductor: \(642816\)    =    \(2^{8} \cdot 3^{4} \cdot 31\)
Sign: $1$
Analytic conductor: \(40.9865\)
Root analytic conductor: \(2.53023\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((4,\ 642816,\ (\ :1/2, 1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.679346813\)
\(L(\frac12)\) \(\approx\) \(1.679346813\)
\(L(\frac{3}{2})\) 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 \( 1 \)
31$C_1$$\times$$C_2$ \( ( 1 + T )( 1 + 5 T + p T^{2} ) \)
good5$C_2$ \( ( 1 - 3 T + p T^{2} )( 1 + 3 T + p T^{2} ) \)
7$C_2$$\times$$C_2$ \( ( 1 - T + p T^{2} )( 1 + 2 T + p T^{2} ) \)
11$C_2^2$ \( 1 - 5 T^{2} + p^{2} T^{4} \)
13$C_2$$\times$$C_2$ \( ( 1 - 2 T + p T^{2} )( 1 + T + p T^{2} ) \)
17$C_2$ \( ( 1 - 6 T + p T^{2} )( 1 + 6 T + p T^{2} ) \)
19$C_2$$\times$$C_2$ \( ( 1 - 4 T + p T^{2} )( 1 - T + p T^{2} ) \)
23$C_2^2$ \( 1 - 17 T^{2} + p^{2} T^{4} \)
29$C_2^2$ \( 1 - 32 T^{2} + p^{2} T^{4} \)
37$C_2$$\times$$C_2$ \( ( 1 - 5 T + p T^{2} )( 1 + 10 T + p T^{2} ) \)
41$C_2^2$ \( 1 - 17 T^{2} + p^{2} T^{4} \)
43$C_2$$\times$$C_2$ \( ( 1 - 10 T + p T^{2} )( 1 + 8 T + p T^{2} ) \)
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$C_2^2$ \( 1 - 62 T^{2} + p^{2} T^{4} \)
61$C_2$$\times$$C_2$ \( ( 1 - 5 T + p T^{2} )( 1 + 4 T + p T^{2} ) \)
67$C_2$$\times$$C_2$ \( ( 1 - 10 T + p T^{2} )( 1 - 4 T + p T^{2} ) \)
71$C_2^2$ \( 1 - 92 T^{2} + p^{2} T^{4} \)
73$C_2$$\times$$C_2$ \( ( 1 - 11 T + p T^{2} )( 1 - 8 T + p T^{2} ) \)
79$C_2$$\times$$C_2$ \( ( 1 - 7 T + p T^{2} )( 1 + 8 T + p T^{2} ) \)
83$C_2^2$ \( 1 - 5 T^{2} + p^{2} T^{4} \)
89$C_2^2$ \( 1 + 88 T^{2} + p^{2} T^{4} \)
97$C_2$$\times$$C_2$ \( ( 1 - 2 T + p T^{2} )( 1 + 16 T + p T^{2} ) \)
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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

−8.278659456837051791880753430110, −8.009178615776485282232066036514, −7.41340325354197965108863025841, −7.04066013021810195506913088820, −6.61564020931240255898157210391, −6.11277041848327263557342668998, −5.56250138480305174001193584134, −5.21135737120813885125080962772, −4.70149803454162952737464687808, −3.99415195845520306957084764823, −3.43634660745995933925762791811, −3.18235696314721157842036169517, −2.26757546084966269324110456613, −1.66257446756487251353680957291, −0.66037525447870342729129410215, 0.66037525447870342729129410215, 1.66257446756487251353680957291, 2.26757546084966269324110456613, 3.18235696314721157842036169517, 3.43634660745995933925762791811, 3.99415195845520306957084764823, 4.70149803454162952737464687808, 5.21135737120813885125080962772, 5.56250138480305174001193584134, 6.11277041848327263557342668998, 6.61564020931240255898157210391, 7.04066013021810195506913088820, 7.41340325354197965108863025841, 8.009178615776485282232066036514, 8.278659456837051791880753430110

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