Properties

Label 16-168e8-1.1-c1e8-0-1
Degree $16$
Conductor $6.346\times 10^{17}$
Sign $1$
Analytic cond. $10.4879$
Root an. cond. $1.15822$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive no
Self-dual yes
Analytic rank $0$

Origins

Origins of factors

Downloads

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Normalization:  

Dirichlet series

L(s)  = 1  − 8·4-s + 40·16-s + 28·49-s − 160·64-s + 10·81-s − 88·121-s + 127-s + 131-s + 137-s + 139-s + 149-s + 151-s + 157-s + 163-s + 167-s + 173-s + 179-s + 181-s + 191-s + 193-s − 224·196-s + 197-s + 199-s + 211-s + 223-s + 227-s + 229-s + ⋯
L(s)  = 1  − 4·4-s + 10·16-s + 4·49-s − 20·64-s + 10/9·81-s − 8·121-s + 0.0887·127-s + 0.0873·131-s + 0.0854·137-s + 0.0848·139-s + 0.0819·149-s + 0.0813·151-s + 0.0798·157-s + 0.0783·163-s + 0.0773·167-s + 0.0760·173-s + 0.0747·179-s + 0.0743·181-s + 0.0723·191-s + 0.0719·193-s − 16·196-s + 0.0712·197-s + 0.0708·199-s + 0.0688·211-s + 0.0669·223-s + 0.0663·227-s + 0.0660·229-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut &\left(2^{24} \cdot 3^{8} \cdot 7^{8}\right)^{s/2} \, \Gamma_{\C}(s)^{8} \, L(s)\cr=\mathstrut & \,\Lambda(2-s)\end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut &\left(2^{24} \cdot 3^{8} \cdot 7^{8}\right)^{s/2} \, \Gamma_{\C}(s+1/2)^{8} \, L(s)\cr=\mathstrut & \,\Lambda(1-s)\end{aligned}\]

Invariants

Degree: \(16\)
Conductor: \(2^{24} \cdot 3^{8} \cdot 7^{8}\)
Sign: $1$
Analytic conductor: \(10.4879\)
Root analytic conductor: \(1.15822\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: no
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((16,\ 2^{24} \cdot 3^{8} \cdot 7^{8} ,\ ( \ : [1/2]^{8} ),\ 1 )\)

Particular Values

\(L(1)\) \(\approx\) \(0.3430750726\)
\(L(\frac12)\) \(\approx\) \(0.3430750726\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( ( 1 + p T^{2} )^{4} \)
3 \( 1 - 10 T^{4} + p^{4} T^{8} \)
7 \( ( 1 - p T^{2} )^{4} \)
good5 \( ( 1 + 22 T^{4} + p^{4} T^{8} )^{2} \)
11 \( ( 1 + p T^{2} )^{8} \)
13 \( ( 1 + 310 T^{4} + p^{4} T^{8} )^{2} \)
17 \( ( 1 + p T^{2} )^{8} \)
19 \( ( 1 - 650 T^{4} + p^{4} T^{8} )^{2} \)
23 \( ( 1 - 6 T + p T^{2} )^{4}( 1 + 6 T + p T^{2} )^{4} \)
29 \( ( 1 + p T^{2} )^{8} \)
31 \( ( 1 - p T^{2} )^{8} \)
37 \( ( 1 - p T^{2} )^{8} \)
41 \( ( 1 + p T^{2} )^{8} \)
43 \( ( 1 - p T^{2} )^{8} \)
47 \( ( 1 + p T^{2} )^{8} \)
53 \( ( 1 + p T^{2} )^{8} \)
59 \( ( 1 - 1130 T^{4} + p^{4} T^{8} )^{2} \)
61 \( ( 1 - 7370 T^{4} + p^{4} T^{8} )^{2} \)
67 \( ( 1 - p T^{2} )^{8} \)
71 \( ( 1 - 110 T^{2} + p^{2} T^{4} )^{4} \)
73 \( ( 1 - p T^{2} )^{8} \)
79 \( ( 1 + 130 T^{2} + p^{2} T^{4} )^{4} \)
83 \( ( 1 - 13130 T^{4} + p^{4} T^{8} )^{2} \)
89 \( ( 1 + p T^{2} )^{8} \)
97 \( ( 1 - p T^{2} )^{8} \)
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   \(L(s) = \displaystyle\prod_p \ \prod_{j=1}^{16} (1 - \alpha_{j,p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−5.63570856612103873034045206863, −5.55069630313077150408070311816, −5.45358464703962491850179723483, −5.41948169760209339774001169767, −5.38420495821886226800928382031, −5.03857142588052947880103222464, −4.82497503698943646906338391506, −4.71011164419727524042511196043, −4.69480786319982795740479484200, −4.31870903147471137412630187115, −4.25294849207653958435038262608, −4.05588669246356563725010332985, −3.89135341580625531500095494698, −3.72715325844416900736938918670, −3.72701974364572639745311570147, −3.34275970871489480947168112588, −3.30789931101140729284184083669, −2.94718055445782401687889657671, −2.52148227824101171287759760405, −2.45235352092706127272020359547, −2.33356906938141667109848102754, −1.42638230889915777891905303173, −1.37254558373175719219593004940, −1.04038786853832952868559517285, −0.40116088426021945553881671768, 0.40116088426021945553881671768, 1.04038786853832952868559517285, 1.37254558373175719219593004940, 1.42638230889915777891905303173, 2.33356906938141667109848102754, 2.45235352092706127272020359547, 2.52148227824101171287759760405, 2.94718055445782401687889657671, 3.30789931101140729284184083669, 3.34275970871489480947168112588, 3.72701974364572639745311570147, 3.72715325844416900736938918670, 3.89135341580625531500095494698, 4.05588669246356563725010332985, 4.25294849207653958435038262608, 4.31870903147471137412630187115, 4.69480786319982795740479484200, 4.71011164419727524042511196043, 4.82497503698943646906338391506, 5.03857142588052947880103222464, 5.38420495821886226800928382031, 5.41948169760209339774001169767, 5.45358464703962491850179723483, 5.55069630313077150408070311816, 5.63570856612103873034045206863

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

Plot not available for L-functions of degree greater than 10.