Properties

Label 4-2e18-1.1-c1e2-0-17
Degree $4$
Conductor $262144$
Sign $1$
Analytic cond. $16.7145$
Root an. cond. $2.02196$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive no
Self-dual yes
Analytic rank $2$

Origins

Origins of factors

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Normalization:  

Dirichlet series

L(s)  = 1  − 4·3-s − 2·5-s + 8·9-s − 4·11-s − 6·13-s + 8·15-s + 4·19-s + 2·25-s − 12·27-s + 6·29-s − 16·31-s + 16·33-s + 2·37-s + 24·39-s + 4·43-s − 16·45-s − 16·47-s − 2·49-s + 2·53-s + 8·55-s − 16·57-s − 12·59-s − 6·61-s + 12·65-s + 4·67-s − 8·75-s + 23·81-s + ⋯
L(s)  = 1  − 2.30·3-s − 0.894·5-s + 8/3·9-s − 1.20·11-s − 1.66·13-s + 2.06·15-s + 0.917·19-s + 2/5·25-s − 2.30·27-s + 1.11·29-s − 2.87·31-s + 2.78·33-s + 0.328·37-s + 3.84·39-s + 0.609·43-s − 2.38·45-s − 2.33·47-s − 2/7·49-s + 0.274·53-s + 1.07·55-s − 2.11·57-s − 1.56·59-s − 0.768·61-s + 1.48·65-s + 0.488·67-s − 0.923·75-s + 23/9·81-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 262144 ^{s/2} \, \Gamma_{\C}(s)^{2} \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 262144 ^{s/2} \, \Gamma_{\C}(s+1/2)^{2} \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(4\)
Conductor: \(262144\)    =    \(2^{18}\)
Sign: $1$
Analytic conductor: \(16.7145\)
Root analytic conductor: \(2.02196\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: no
Self-dual: yes
Analytic rank: \(2\)
Selberg data: \((4,\ 262144,\ (\ :1/2, 1/2),\ 1)\)

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 \( 1 \)
good3$C_2^2$ \( 1 + 4 T + 8 T^{2} + 4 p T^{3} + p^{2} T^{4} \)
5$C_2$ \( ( 1 - 2 T + p T^{2} )( 1 + 4 T + p T^{2} ) \)
7$C_2^2$ \( 1 + 2 T^{2} + p^{2} T^{4} \)
11$C_2^2$ \( 1 + 4 T + 8 T^{2} + 4 p T^{3} + p^{2} T^{4} \)
13$C_2^2$ \( 1 + 6 T + 18 T^{2} + 6 p T^{3} + p^{2} T^{4} \)
17$C_2$ \( ( 1 + p T^{2} )^{2} \)
19$C_2^2$ \( 1 - 4 T + 8 T^{2} - 4 p T^{3} + p^{2} T^{4} \)
23$C_2^2$ \( 1 - 30 T^{2} + p^{2} T^{4} \)
29$C_2$ \( ( 1 - 10 T + p T^{2} )( 1 + 4 T + p T^{2} ) \)
31$C_2$ \( ( 1 + 8 T + p T^{2} )^{2} \)
37$C_2^2$ \( 1 - 2 T + 2 T^{2} - 2 p T^{3} + p^{2} T^{4} \)
41$C_2$ \( ( 1 - 10 T + p T^{2} )( 1 + 10 T + p T^{2} ) \)
43$C_2^2$ \( 1 - 4 T + 8 T^{2} - 4 p T^{3} + p^{2} T^{4} \)
47$C_2$ \( ( 1 + 8 T + p T^{2} )^{2} \)
53$C_2^2$ \( 1 - 2 T + 2 T^{2} - 2 p T^{3} + p^{2} T^{4} \)
59$C_2^2$ \( 1 + 12 T + 72 T^{2} + 12 p T^{3} + p^{2} T^{4} \)
61$C_2^2$ \( 1 + 6 T + 18 T^{2} + 6 p T^{3} + p^{2} T^{4} \)
67$C_2^2$ \( 1 - 4 T + 8 T^{2} - 4 p T^{3} + p^{2} T^{4} \)
71$C_2^2$ \( 1 + 2 T^{2} + p^{2} T^{4} \)
73$C_2^2$ \( 1 - 142 T^{2} + p^{2} T^{4} \)
79$C_2$ \( ( 1 + p T^{2} )^{2} \)
83$C_2^2$ \( 1 + 20 T + 200 T^{2} + 20 p T^{3} + p^{2} T^{4} \)
89$C_2^2$ \( 1 + 18 T^{2} + p^{2} T^{4} \)
97$C_2$ \( ( 1 + 16 T + p T^{2} )^{2} \)
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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

−10.75984207574315568072174627567, −10.58531895000847694922554123133, −9.747173572013814564060513999356, −9.708975134850384076379739323305, −9.062956555453450135335579972865, −8.162836717193120410632572548166, −7.79552032251226165920874563536, −7.46639080553063419008966883211, −6.88982122500765121758887663224, −6.65108369111800054916211922486, −5.67108331264863843287405349502, −5.61144621036201557340479689475, −5.05923233073200046327859911290, −4.74470352848300464199515850385, −4.14789643453972268610350955997, −3.28821402933475174139413419573, −2.60915342710743998365373176195, −1.47178569306772076606250035448, 0, 0, 1.47178569306772076606250035448, 2.60915342710743998365373176195, 3.28821402933475174139413419573, 4.14789643453972268610350955997, 4.74470352848300464199515850385, 5.05923233073200046327859911290, 5.61144621036201557340479689475, 5.67108331264863843287405349502, 6.65108369111800054916211922486, 6.88982122500765121758887663224, 7.46639080553063419008966883211, 7.79552032251226165920874563536, 8.162836717193120410632572548166, 9.062956555453450135335579972865, 9.708975134850384076379739323305, 9.747173572013814564060513999356, 10.58531895000847694922554123133, 10.75984207574315568072174627567

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