Properties

Label 4-1649-1.1-c1e2-0-0
Degree $4$
Conductor $1649$
Sign $1$
Analytic cond. $0.105141$
Root an. cond. $0.569434$
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  − 4-s − 2·9-s − 4·11-s + 2·13-s − 3·16-s + 5·17-s − 4·19-s + 4·23-s + 2·25-s + 2·29-s − 8·31-s + 2·36-s − 2·37-s + 6·41-s + 4·44-s + 8·47-s − 4·49-s − 2·52-s + 8·53-s + 2·61-s + 7·64-s + 4·67-s − 5·68-s − 8·71-s + 14·73-s + 4·76-s − 4·79-s + ⋯
L(s)  = 1  − 1/2·4-s − 2/3·9-s − 1.20·11-s + 0.554·13-s − 3/4·16-s + 1.21·17-s − 0.917·19-s + 0.834·23-s + 2/5·25-s + 0.371·29-s − 1.43·31-s + 1/3·36-s − 0.328·37-s + 0.937·41-s + 0.603·44-s + 1.16·47-s − 4/7·49-s − 0.277·52-s + 1.09·53-s + 0.256·61-s + 7/8·64-s + 0.488·67-s − 0.606·68-s − 0.949·71-s + 1.63·73-s + 0.458·76-s − 0.450·79-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1649 ^{s/2} \, \Gamma_{\C}(s)^{2} \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1649 ^{s/2} \, \Gamma_{\C}(s+1/2)^{2} \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(4\)
Conductor: \(1649\)    =    \(17 \cdot 97\)
Sign: $1$
Analytic conductor: \(0.105141\)
Root analytic conductor: \(0.569434\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((4,\ 1649,\ (\ :1/2, 1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(0.5395233473\)
\(L(\frac12)\) \(\approx\) \(0.5395233473\)
\(L(\frac{3}{2})\) 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)$
bad17$C_1$$\times$$C_2$ \( ( 1 + T )( 1 - 6 T + p T^{2} ) \)
97$C_1$$\times$$C_2$ \( ( 1 + T )( 1 + 10 T + p T^{2} ) \)
good2$C_2^2$ \( 1 + T^{2} + p^{2} T^{4} \)
3$C_2$ \( ( 1 - 2 T + p T^{2} )( 1 + 2 T + p T^{2} ) \)
5$C_2^2$ \( 1 - 2 T^{2} + p^{2} T^{4} \)
7$C_2^2$ \( 1 + 4 T^{2} + p^{2} T^{4} \)
11$C_2$$\times$$C_2$ \( ( 1 - 2 T + p T^{2} )( 1 + 6 T + p T^{2} ) \)
13$C_2$ \( ( 1 - 6 T + p T^{2} )( 1 + 4 T + p T^{2} ) \)
19$C_2$$\times$$C_2$ \( ( 1 - 2 T + p T^{2} )( 1 + 6 T + p T^{2} ) \)
23$D_{4}$ \( 1 - 4 T + 40 T^{2} - 4 p T^{3} + p^{2} T^{4} \)
29$D_{4}$ \( 1 - 2 T - 14 T^{2} - 2 p T^{3} + p^{2} T^{4} \)
31$C_2$$\times$$C_2$ \( ( 1 - 2 T + p T^{2} )( 1 + 10 T + p T^{2} ) \)
37$C_2$$\times$$C_2$ \( ( 1 - 8 T + p T^{2} )( 1 + 10 T + p T^{2} ) \)
41$D_{4}$ \( 1 - 6 T + 34 T^{2} - 6 p T^{3} + p^{2} T^{4} \)
43$C_2^2$ \( 1 + 58 T^{2} + p^{2} T^{4} \)
47$D_{4}$ \( 1 - 8 T + 58 T^{2} - 8 p T^{3} + p^{2} T^{4} \)
53$D_{4}$ \( 1 - 8 T + 70 T^{2} - 8 p T^{3} + p^{2} T^{4} \)
59$C_2^2$ \( 1 + 58 T^{2} + p^{2} T^{4} \)
61$C_2$$\times$$C_2$ \( ( 1 - 8 T + p T^{2} )( 1 + 6 T + p T^{2} ) \)
67$D_{4}$ \( 1 - 4 T + 30 T^{2} - 4 p T^{3} + p^{2} T^{4} \)
71$D_{4}$ \( 1 + 8 T + 40 T^{2} + 8 p T^{3} + p^{2} T^{4} \)
73$C_2$$\times$$C_2$ \( ( 1 - 12 T + p T^{2} )( 1 - 2 T + p T^{2} ) \)
79$C_2$$\times$$C_2$ \( ( 1 - 6 T + p T^{2} )( 1 + 10 T + p T^{2} ) \)
83$C_2$ \( ( 1 - 6 T + p T^{2} )( 1 + 6 T + p T^{2} ) \)
89$D_{4}$ \( 1 + 12 T + 130 T^{2} + 12 p T^{3} + p^{2} T^{4} \)
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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

−19.0459852346, −18.5596302753, −18.1907894208, −17.6220248486, −16.9672695607, −16.4933059333, −15.9226107969, −15.2882381123, −14.6857385787, −14.1241861190, −13.5889051744, −12.8502527551, −12.6156433504, −11.6455338305, −10.9162192013, −10.5851095071, −9.68112699785, −8.91720375300, −8.44325090434, −7.65317943138, −6.81142119319, −5.70285275554, −5.16379094825, −3.99230647147, −2.72641260802, 2.72641260802, 3.99230647147, 5.16379094825, 5.70285275554, 6.81142119319, 7.65317943138, 8.44325090434, 8.91720375300, 9.68112699785, 10.5851095071, 10.9162192013, 11.6455338305, 12.6156433504, 12.8502527551, 13.5889051744, 14.1241861190, 14.6857385787, 15.2882381123, 15.9226107969, 16.4933059333, 16.9672695607, 17.6220248486, 18.1907894208, 18.5596302753, 19.0459852346

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