Properties

Label 4-321280-1.1-c1e2-0-5
Degree $4$
Conductor $321280$
Sign $1$
Analytic cond. $20.4850$
Root an. cond. $2.12745$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $2$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2-s − 2·3-s − 4-s − 2·6-s − 7-s − 3·8-s − 3·11-s + 2·12-s − 3·13-s − 14-s − 16-s − 3·17-s − 6·19-s + 2·21-s − 3·22-s − 3·23-s + 6·24-s − 4·25-s − 3·26-s + 2·27-s + 28-s + 7·29-s − 6·31-s + 5·32-s + 6·33-s − 3·34-s − 4·37-s + ⋯
L(s)  = 1  + 0.707·2-s − 1.15·3-s − 1/2·4-s − 0.816·6-s − 0.377·7-s − 1.06·8-s − 0.904·11-s + 0.577·12-s − 0.832·13-s − 0.267·14-s − 1/4·16-s − 0.727·17-s − 1.37·19-s + 0.436·21-s − 0.639·22-s − 0.625·23-s + 1.22·24-s − 4/5·25-s − 0.588·26-s + 0.384·27-s + 0.188·28-s + 1.29·29-s − 1.07·31-s + 0.883·32-s + 1.04·33-s − 0.514·34-s − 0.657·37-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 321280 ^{s/2} \, \Gamma_{\C}(s)^{2} \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 321280 ^{s/2} \, \Gamma_{\C}(s+1/2)^{2} \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(4\)
Conductor: \(321280\)    =    \(2^{8} \cdot 5 \cdot 251\)
Sign: $1$
Analytic conductor: \(20.4850\)
Root analytic conductor: \(2.12745\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(2\)
Selberg data: \((4,\ 321280,\ (\ :1/2, 1/2),\ 1)\)

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$C_2$ \( 1 - T + p T^{2} \)
5$C_1$$\times$$C_2$ \( ( 1 - T )( 1 + T + p T^{2} ) \)
251$C_1$$\times$$C_2$ \( ( 1 + T )( 1 - 15 T + p T^{2} ) \)
good3$D_{4}$ \( 1 + 2 T + 4 T^{2} + 2 p T^{3} + p^{2} T^{4} \)
7$D_{4}$ \( 1 + T - 2 T^{2} + p T^{3} + p^{2} T^{4} \)
11$C_2$$\times$$C_2$ \( ( 1 + p T^{2} )( 1 + 3 T + p T^{2} ) \)
13$D_{4}$ \( 1 + 3 T + 12 T^{2} + 3 p T^{3} + p^{2} T^{4} \)
17$D_{4}$ \( 1 + 3 T + 32 T^{2} + 3 p T^{3} + p^{2} T^{4} \)
19$D_{4}$ \( 1 + 6 T + 24 T^{2} + 6 p T^{3} + p^{2} T^{4} \)
23$D_{4}$ \( 1 + 3 T + 7 T^{2} + 3 p T^{3} + p^{2} T^{4} \)
29$D_{4}$ \( 1 - 7 T + 57 T^{2} - 7 p T^{3} + p^{2} T^{4} \)
31$C_2$$\times$$C_2$ \( ( 1 + p T^{2} )( 1 + 6 T + p T^{2} ) \)
37$C_2^2$ \( 1 + 4 T + 8 T^{2} + 4 p T^{3} + p^{2} T^{4} \)
41$C_4$ \( 1 - 9 T + 71 T^{2} - 9 p T^{3} + p^{2} T^{4} \)
43$D_{4}$ \( 1 + 3 T + 79 T^{2} + 3 p T^{3} + p^{2} T^{4} \)
47$D_{4}$ \( 1 + 12 T + 86 T^{2} + 12 p T^{3} + p^{2} T^{4} \)
53$C_2$$\times$$C_2$ \( ( 1 - 12 T + p T^{2} )( 1 + 2 T + p T^{2} ) \)
59$D_{4}$ \( 1 + 19 T + 184 T^{2} + 19 p T^{3} + p^{2} T^{4} \)
61$D_{4}$ \( 1 + 9 T + 36 T^{2} + 9 p T^{3} + p^{2} T^{4} \)
67$D_{4}$ \( 1 + 14 T + 120 T^{2} + 14 p T^{3} + p^{2} T^{4} \)
71$C_2$$\times$$C_2$ \( ( 1 - 4 T + p T^{2} )( 1 + 14 T + p T^{2} ) \)
73$D_{4}$ \( 1 + 9 T + 28 T^{2} + 9 p T^{3} + p^{2} T^{4} \)
79$D_{4}$ \( 1 + 8 T - 4 T^{2} + 8 p T^{3} + p^{2} T^{4} \)
83$D_{4}$ \( 1 - 11 T + 74 T^{2} - 11 p T^{3} + p^{2} T^{4} \)
89$D_{4}$ \( 1 - 4 T + 122 T^{2} - 4 p T^{3} + p^{2} T^{4} \)
97$D_{4}$ \( 1 - 3 T + 47 T^{2} - 3 p T^{3} + p^{2} T^{4} \)
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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

−13.3554089479, −13.0829230462, −12.5437146329, −12.1546837006, −11.9583814995, −11.5493706329, −10.8812189126, −10.5940715728, −10.2948820124, −9.72501049184, −9.23390916581, −8.78306041286, −8.42530912114, −7.67412194253, −7.46300573131, −6.53998174244, −6.27081429264, −5.91386343038, −5.39907361605, −4.95617938097, −4.39433708636, −4.14503085804, −3.15106592446, −2.71783683441, −1.85867028299, 0, 0, 1.85867028299, 2.71783683441, 3.15106592446, 4.14503085804, 4.39433708636, 4.95617938097, 5.39907361605, 5.91386343038, 6.27081429264, 6.53998174244, 7.46300573131, 7.67412194253, 8.42530912114, 8.78306041286, 9.23390916581, 9.72501049184, 10.2948820124, 10.5940715728, 10.8812189126, 11.5493706329, 11.9583814995, 12.1546837006, 12.5437146329, 13.0829230462, 13.3554089479

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