Properties

Label 4-2e20-1.1-c1e2-0-6
Degree $4$
Conductor $1048576$
Sign $1$
Analytic cond. $66.8581$
Root an. cond. $2.85948$
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  + 4·3-s + 8·9-s − 4·11-s − 12·17-s + 12·19-s + 12·27-s − 16·33-s + 12·43-s + 14·49-s − 48·51-s + 48·57-s + 20·59-s − 12·67-s + 23·81-s − 4·83-s − 20·97-s − 32·99-s + 28·107-s − 36·113-s + 8·121-s + 127-s + 48·129-s + 131-s + 137-s + 139-s + 56·147-s + 149-s + ⋯
L(s)  = 1  + 2.30·3-s + 8/3·9-s − 1.20·11-s − 2.91·17-s + 2.75·19-s + 2.30·27-s − 2.78·33-s + 1.82·43-s + 2·49-s − 6.72·51-s + 6.35·57-s + 2.60·59-s − 1.46·67-s + 23/9·81-s − 0.439·83-s − 2.03·97-s − 3.21·99-s + 2.70·107-s − 3.38·113-s + 8/11·121-s + 0.0887·127-s + 4.22·129-s + 0.0873·131-s + 0.0854·137-s + 0.0848·139-s + 4.61·147-s + 0.0819·149-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1048576 ^{s/2} \, \Gamma_{\C}(s)^{2} \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1048576 ^{s/2} \, \Gamma_{\C}(s+1/2)^{2} \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(4\)
Conductor: \(1048576\)    =    \(2^{20}\)
Sign: $1$
Analytic conductor: \(66.8581\)
Root analytic conductor: \(2.85948\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: no
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((4,\ 1048576,\ (\ :1/2, 1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(4.486587907\)
\(L(\frac12)\) \(\approx\) \(4.486587907\)
\(L(\frac{3}{2})\) 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$C_2^2$ \( 1 + p^{2} T^{4} \)
7$C_2$ \( ( 1 - p T^{2} )^{2} \)
11$C_2^2$ \( 1 + 4 T + 8 T^{2} + 4 p T^{3} + p^{2} T^{4} \)
13$C_2^2$ \( 1 + p^{2} T^{4} \)
17$C_2$ \( ( 1 + 6 T + p T^{2} )^{2} \)
19$C_2^2$ \( 1 - 12 T + 72 T^{2} - 12 p T^{3} + p^{2} T^{4} \)
23$C_2$ \( ( 1 - p T^{2} )^{2} \)
29$C_2^2$ \( 1 + p^{2} T^{4} \)
31$C_2$ \( ( 1 + p T^{2} )^{2} \)
37$C_2^2$ \( 1 + p^{2} T^{4} \)
41$C_2^2$ \( 1 - 46 T^{2} + p^{2} T^{4} \)
43$C_2^2$ \( 1 - 12 T + 72 T^{2} - 12 p T^{3} + p^{2} T^{4} \)
47$C_2$ \( ( 1 + p T^{2} )^{2} \)
53$C_2^2$ \( 1 + p^{2} T^{4} \)
59$C_2^2$ \( 1 - 20 T + 200 T^{2} - 20 p T^{3} + p^{2} T^{4} \)
61$C_2^2$ \( 1 + p^{2} T^{4} \)
67$C_2^2$ \( 1 + 12 T + 72 T^{2} + 12 p T^{3} + p^{2} T^{4} \)
71$C_2$ \( ( 1 - p T^{2} )^{2} \)
73$C_2^2$ \( 1 - 142 T^{2} + p^{2} T^{4} \)
79$C_2$ \( ( 1 + p T^{2} )^{2} \)
83$C_2^2$ \( 1 + 4 T + 8 T^{2} + 4 p T^{3} + p^{2} T^{4} \)
89$C_2^2$ \( 1 + 146 T^{2} + p^{2} T^{4} \)
97$C_2$ \( ( 1 + 10 T + p T^{2} )^{2} \)
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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

−10.00167753879394501391472893078, −9.434506558798499245890033369067, −9.284251650252961596063019202131, −8.803849558941571265239170047156, −8.698799544335503279115229005473, −8.020284198885914417639769930380, −7.88182023823245553295176695194, −7.23827562527942798807709696167, −7.11827242659521147135499863243, −6.62717317503173937190731280993, −5.67865443344435722311545911789, −5.47715606407333095782087229301, −4.77111021245306703550164216763, −4.20231806608114379710959866625, −3.92442608162171711703254581100, −3.05371656727296707824483995781, −2.88459125440640351331937796670, −2.36445753953027619438674644962, −1.98773776291656032079881168238, −0.834582311387276827991493732713, 0.834582311387276827991493732713, 1.98773776291656032079881168238, 2.36445753953027619438674644962, 2.88459125440640351331937796670, 3.05371656727296707824483995781, 3.92442608162171711703254581100, 4.20231806608114379710959866625, 4.77111021245306703550164216763, 5.47715606407333095782087229301, 5.67865443344435722311545911789, 6.62717317503173937190731280993, 7.11827242659521147135499863243, 7.23827562527942798807709696167, 7.88182023823245553295176695194, 8.020284198885914417639769930380, 8.698799544335503279115229005473, 8.803849558941571265239170047156, 9.284251650252961596063019202131, 9.434506558798499245890033369067, 10.00167753879394501391472893078

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