Properties

Label 4-41e2-1.1-c1e2-0-0
Degree $4$
Conductor $1681$
Sign $1$
Analytic cond. $0.107182$
Root an. cond. $0.572177$
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 − 4-s + 4·5-s + 8·8-s − 2·9-s − 8·10-s − 7·16-s + 4·18-s − 4·20-s + 2·25-s − 16·31-s − 14·32-s + 2·36-s + 4·37-s + 32·40-s − 6·41-s + 8·43-s − 8·45-s + 6·49-s − 4·50-s + 8·59-s − 4·61-s + 32·62-s + 35·64-s − 16·72-s + 28·73-s − 8·74-s + ⋯
L(s)  = 1  − 1.41·2-s − 1/2·4-s + 1.78·5-s + 2.82·8-s − 2/3·9-s − 2.52·10-s − 7/4·16-s + 0.942·18-s − 0.894·20-s + 2/5·25-s − 2.87·31-s − 2.47·32-s + 1/3·36-s + 0.657·37-s + 5.05·40-s − 0.937·41-s + 1.21·43-s − 1.19·45-s + 6/7·49-s − 0.565·50-s + 1.04·59-s − 0.512·61-s + 4.06·62-s + 35/8·64-s − 1.88·72-s + 3.27·73-s − 0.929·74-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1681 ^{s/2} \, \Gamma_{\C}(s)^{2} \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1681 ^{s/2} \, \Gamma_{\C}(s+1/2)^{2} \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(4\)
Conductor: \(1681\)    =    \(41^{2}\)
Sign: $1$
Analytic conductor: \(0.107182\)
Root analytic conductor: \(0.572177\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: no
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((4,\ 1681,\ (\ :1/2, 1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(0.3227510337\)
\(L(\frac12)\) \(\approx\) \(0.3227510337\)
\(L(\frac{3}{2})\) 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)$
bad41$C_2$ \( 1 + 6 T + p T^{2} \)
good2$C_2$ \( ( 1 + T + p T^{2} )^{2} \)
3$C_2$ \( ( 1 - 2 T + p T^{2} )( 1 + 2 T + p T^{2} ) \)
5$C_2$ \( ( 1 - 2 T + p T^{2} )^{2} \)
7$C_2^2$ \( 1 - 6 T^{2} + p^{2} T^{4} \)
11$C_2$ \( ( 1 - 6 T + p T^{2} )( 1 + 6 T + p T^{2} ) \)
13$C_2^2$ \( 1 + 6 T^{2} + p^{2} T^{4} \)
17$C_2$ \( ( 1 - p T^{2} )^{2} \)
19$C_2^2$ \( 1 - 30 T^{2} + p^{2} T^{4} \)
23$C_2$ \( ( 1 + p T^{2} )^{2} \)
29$C_2^2$ \( 1 - 26 T^{2} + p^{2} T^{4} \)
31$C_2$ \( ( 1 + 8 T + p T^{2} )^{2} \)
37$C_2$ \( ( 1 - 2 T + p T^{2} )^{2} \)
43$C_2$ \( ( 1 - 4 T + p T^{2} )^{2} \)
47$C_2^2$ \( 1 - 86 T^{2} + p^{2} T^{4} \)
53$C_2^2$ \( 1 - 74 T^{2} + p^{2} T^{4} \)
59$C_2$ \( ( 1 - 4 T + p T^{2} )^{2} \)
61$C_2$ \( ( 1 + 2 T + p T^{2} )^{2} \)
67$C_2$ \( ( 1 - 14 T + p T^{2} )( 1 + 14 T + p T^{2} ) \)
71$C_2^2$ \( 1 - 70 T^{2} + p^{2} T^{4} \)
73$C_2$ \( ( 1 - 14 T + p T^{2} )^{2} \)
79$C_2^2$ \( 1 - 150 T^{2} + p^{2} T^{4} \)
83$C_2$ \( ( 1 + 12 T + p T^{2} )^{2} \)
89$C_2^2$ \( 1 - 50 T^{2} + p^{2} T^{4} \)
97$C_2$ \( ( 1 - p T^{2} )^{2} \)
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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

−16.66809253979925475129188192358, −16.45090550021354385961548599680, −15.31327332951823138445492613296, −14.27037920205550420540120227230, −14.21015703519129594402689683024, −13.59086696649971573679600710911, −13.06769798423458691737584804664, −12.57803490260129489889326697106, −11.27127543477128568491703033953, −10.70342936986858428210829384161, −10.08410493619036205752481581678, −9.444111107550427092499659720523, −9.292152171056600663713839544008, −8.580985768337373898093317880719, −7.86311677130305900610425140845, −7.01517752492680841372861233894, −5.66865630614454274013827923632, −5.37581885900989168966656213824, −4.01466413952758625440605420673, −1.91567106149496012342088715563, 1.91567106149496012342088715563, 4.01466413952758625440605420673, 5.37581885900989168966656213824, 5.66865630614454274013827923632, 7.01517752492680841372861233894, 7.86311677130305900610425140845, 8.580985768337373898093317880719, 9.292152171056600663713839544008, 9.444111107550427092499659720523, 10.08410493619036205752481581678, 10.70342936986858428210829384161, 11.27127543477128568491703033953, 12.57803490260129489889326697106, 13.06769798423458691737584804664, 13.59086696649971573679600710911, 14.21015703519129594402689683024, 14.27037920205550420540120227230, 15.31327332951823138445492613296, 16.45090550021354385961548599680, 16.66809253979925475129188192358

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