Properties

Label 4-39e2-1.1-c1e2-0-0
Degree $4$
Conductor $1521$
Sign $1$
Analytic cond. $0.0969802$
Root an. cond. $0.558047$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive no
Self-dual yes
Analytic rank $0$

Origins

Origins of factors

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Normalization:  

Dirichlet series

L(s)  = 1  − 2·2-s + 2·3-s + 4-s − 4·6-s + 3·9-s − 4·11-s + 2·12-s − 2·13-s + 16-s + 4·17-s − 6·18-s + 8·22-s − 8·23-s − 2·25-s + 4·26-s + 4·27-s + 4·29-s − 8·31-s + 2·32-s − 8·33-s − 8·34-s + 3·36-s − 4·37-s − 4·39-s + 16·41-s + 8·43-s − 4·44-s + ⋯
L(s)  = 1  − 1.41·2-s + 1.15·3-s + 1/2·4-s − 1.63·6-s + 9-s − 1.20·11-s + 0.577·12-s − 0.554·13-s + 1/4·16-s + 0.970·17-s − 1.41·18-s + 1.70·22-s − 1.66·23-s − 2/5·25-s + 0.784·26-s + 0.769·27-s + 0.742·29-s − 1.43·31-s + 0.353·32-s − 1.39·33-s − 1.37·34-s + 1/2·36-s − 0.657·37-s − 0.640·39-s + 2.49·41-s + 1.21·43-s − 0.603·44-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1521 ^{s/2} \, \Gamma_{\C}(s)^{2} \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1521 ^{s/2} \, \Gamma_{\C}(s+1/2)^{2} \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(4\)
Conductor: \(1521\)    =    \(3^{2} \cdot 13^{2}\)
Sign: $1$
Analytic conductor: \(0.0969802\)
Root analytic conductor: \(0.558047\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: no
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((4,\ 1521,\ (\ :1/2, 1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(0.3820404688\)
\(L(\frac12)\) \(\approx\) \(0.3820404688\)
\(L(\frac{3}{2})\) 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)$
bad3$C_1$ \( ( 1 - T )^{2} \)
13$C_1$ \( ( 1 + T )^{2} \)
good2$D_{4}$ \( 1 + p T + 3 T^{2} + p^{2} T^{3} + p^{2} T^{4} \)
5$C_2^2$ \( 1 + 2 T^{2} + p^{2} T^{4} \)
7$C_2^2$ \( 1 + 6 T^{2} + p^{2} T^{4} \)
11$C_2$ \( ( 1 + 2 T + p T^{2} )^{2} \)
17$C_4$ \( 1 - 4 T + 6 T^{2} - 4 p T^{3} + p^{2} T^{4} \)
19$C_2^2$ \( 1 + 30 T^{2} + p^{2} T^{4} \)
23$C_2$ \( ( 1 + 4 T + p T^{2} )^{2} \)
29$C_2$ \( ( 1 - 2 T + p T^{2} )^{2} \)
31$D_{4}$ \( 1 + 8 T + 70 T^{2} + 8 p T^{3} + p^{2} T^{4} \)
37$D_{4}$ \( 1 + 4 T + 46 T^{2} + 4 p T^{3} + p^{2} T^{4} \)
41$D_{4}$ \( 1 - 16 T + 138 T^{2} - 16 p T^{3} + p^{2} T^{4} \)
43$D_{4}$ \( 1 - 8 T + 70 T^{2} - 8 p T^{3} + p^{2} T^{4} \)
47$D_{4}$ \( 1 + 12 T + 98 T^{2} + 12 p T^{3} + p^{2} T^{4} \)
53$C_2$ \( ( 1 + 2 T + p T^{2} )^{2} \)
59$D_{4}$ \( 1 - 4 T + 90 T^{2} - 4 p T^{3} + p^{2} T^{4} \)
61$D_{4}$ \( 1 - 4 T - 2 T^{2} - 4 p T^{3} + p^{2} T^{4} \)
67$D_{4}$ \( 1 - 8 T + 142 T^{2} - 8 p T^{3} + p^{2} T^{4} \)
71$C_2$ \( ( 1 - 2 T + p T^{2} )^{2} \)
73$D_{4}$ \( 1 - 12 T + 150 T^{2} - 12 p T^{3} + p^{2} T^{4} \)
79$C_2^2$ \( 1 + 30 T^{2} + p^{2} T^{4} \)
83$D_{4}$ \( 1 + 4 T + 138 T^{2} + 4 p T^{3} + p^{2} T^{4} \)
89$D_{4}$ \( 1 - 24 T + 314 T^{2} - 24 p T^{3} + p^{2} T^{4} \)
97$D_{4}$ \( 1 + 4 T + 166 T^{2} + 4 p T^{3} + p^{2} T^{4} \)
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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

−16.47979635758244387345815012710, −16.04950298307033131008500397708, −15.65522767945660065950396188802, −14.79138962396656964896705769639, −14.25172602711280113378671227511, −13.94722132875602897823387217019, −12.77014286161494746770905877170, −12.75072538387550213063268470792, −11.73521024606481280324460127322, −10.76283283523425897955276804858, −10.09067269620032594182897164525, −9.688539265815594496355075871852, −9.187226201934996997898965277831, −8.367796056521928312460730790959, −7.79055936858715051043363136838, −7.60867930956735318051034647701, −6.21031444191802945622313938697, −5.06473968936367901043856637263, −3.71045824363177121690250957726, −2.40208152373406171820840496566, 2.40208152373406171820840496566, 3.71045824363177121690250957726, 5.06473968936367901043856637263, 6.21031444191802945622313938697, 7.60867930956735318051034647701, 7.79055936858715051043363136838, 8.367796056521928312460730790959, 9.187226201934996997898965277831, 9.688539265815594496355075871852, 10.09067269620032594182897164525, 10.76283283523425897955276804858, 11.73521024606481280324460127322, 12.75072538387550213063268470792, 12.77014286161494746770905877170, 13.94722132875602897823387217019, 14.25172602711280113378671227511, 14.79138962396656964896705769639, 15.65522767945660065950396188802, 16.04950298307033131008500397708, 16.47979635758244387345815012710

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