Properties

Label 8-39e8-1.1-c0e4-0-0
Degree $8$
Conductor $5.352\times 10^{12}$
Sign $1$
Analytic cond. $0.332005$
Root an. cond. $0.871250$
Motivic weight $0$
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  − 2·7-s + 16-s − 2·19-s − 4·31-s + 2·37-s + 2·49-s − 2·67-s + 4·73-s + 2·97-s + 4·109-s − 2·112-s + 127-s + 131-s + 4·133-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 + 197-s + ⋯
L(s)  = 1  − 2·7-s + 16-s − 2·19-s − 4·31-s + 2·37-s + 2·49-s − 2·67-s + 4·73-s + 2·97-s + 4·109-s − 2·112-s + 127-s + 131-s + 4·133-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 + 197-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut &\left(3^{8} \cdot 13^{8}\right)^{s/2} \, \Gamma_{\C}(s)^{4} \, L(s)\cr=\mathstrut & \,\Lambda(1-s)\end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut &\left(3^{8} \cdot 13^{8}\right)^{s/2} \, \Gamma_{\C}(s)^{4} \, L(s)\cr=\mathstrut & \,\Lambda(1-s)\end{aligned}\]

Invariants

Degree: \(8\)
Conductor: \(3^{8} \cdot 13^{8}\)
Sign: $1$
Analytic conductor: \(0.332005\)
Root analytic conductor: \(0.871250\)
Motivic weight: \(0\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: no
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((8,\ 3^{8} \cdot 13^{8} ,\ ( \ : 0, 0, 0, 0 ),\ 1 )\)

Particular Values

\(L(\frac{1}{2})\) \(\approx\) \(0.4529463966\)
\(L(\frac12)\) \(\approx\) \(0.4529463966\)
\(L(1)\) 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 \( 1 \)
13 \( 1 \)
good2$C_2^3$ \( 1 - T^{4} + T^{8} \)
5$C_2^2$ \( ( 1 + T^{4} )^{2} \)
7$C_2$$\times$$C_2^2$ \( ( 1 + T + T^{2} )^{2}( 1 - T^{2} + T^{4} ) \)
11$C_2^3$ \( 1 - T^{4} + T^{8} \)
17$C_2$ \( ( 1 - T + T^{2} )^{2}( 1 + T + T^{2} )^{2} \)
19$C_2$$\times$$C_2^2$ \( ( 1 + T + T^{2} )^{2}( 1 - T^{2} + T^{4} ) \)
23$C_2$ \( ( 1 - T + T^{2} )^{2}( 1 + T + T^{2} )^{2} \)
29$C_2^2$ \( ( 1 - T^{2} + T^{4} )^{2} \)
31$C_1$$\times$$C_2$ \( ( 1 + T )^{4}( 1 + T^{2} )^{2} \)
37$C_2$$\times$$C_2^2$ \( ( 1 - T + T^{2} )^{2}( 1 - T^{2} + T^{4} ) \)
41$C_2^3$ \( 1 - T^{4} + T^{8} \)
43$C_2$ \( ( 1 - T + T^{2} )^{2}( 1 + T + T^{2} )^{2} \)
47$C_2^2$ \( ( 1 + T^{4} )^{2} \)
53$C_2$ \( ( 1 + T^{2} )^{4} \)
59$C_2^3$ \( 1 - T^{4} + T^{8} \)
61$C_2^2$ \( ( 1 - T^{2} + T^{4} )^{2} \)
67$C_2$$\times$$C_2^2$ \( ( 1 + T + T^{2} )^{2}( 1 - T^{2} + T^{4} ) \)
71$C_2^3$ \( 1 - T^{4} + T^{8} \)
73$C_1$$\times$$C_2$ \( ( 1 - T )^{4}( 1 + T^{2} )^{2} \)
79$C_2$ \( ( 1 + T^{2} )^{4} \)
83$C_2^2$ \( ( 1 + T^{4} )^{2} \)
89$C_2^3$ \( 1 - T^{4} + T^{8} \)
97$C_2$$\times$$C_2^2$ \( ( 1 - T + T^{2} )^{2}( 1 - T^{2} + T^{4} ) \)
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   \(L(s) = \displaystyle\prod_p \ \prod_{j=1}^{8} (1 - \alpha_{j,p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−7.12164406315531926627217705002, −6.45659486016403027366744578034, −6.44100172084808297158730745855, −6.30712022747573352037572162635, −6.25147086243226609438728191415, −6.01438443642342500997404719769, −5.75846590574526933059564277531, −5.45057657107226872241429111748, −5.25475323271733295219949286420, −5.02411477375288570666007554848, −4.81268408536586929100584542989, −4.48212007270362702465734413992, −4.24616194660529776666254298672, −3.79938743537591718310803492437, −3.73748892601373558384545000089, −3.54521202356348720887550044278, −3.51792459661940937843754039878, −3.15171253069263442518615307088, −2.57816931547142075901048643722, −2.53367718792264570517182160135, −2.26939017078099746105840395363, −1.98472107510920916283955765044, −1.51196050793068896330305366652, −1.15383377752205313082012180048, −0.41723163149666320861635498051, 0.41723163149666320861635498051, 1.15383377752205313082012180048, 1.51196050793068896330305366652, 1.98472107510920916283955765044, 2.26939017078099746105840395363, 2.53367718792264570517182160135, 2.57816931547142075901048643722, 3.15171253069263442518615307088, 3.51792459661940937843754039878, 3.54521202356348720887550044278, 3.73748892601373558384545000089, 3.79938743537591718310803492437, 4.24616194660529776666254298672, 4.48212007270362702465734413992, 4.81268408536586929100584542989, 5.02411477375288570666007554848, 5.25475323271733295219949286420, 5.45057657107226872241429111748, 5.75846590574526933059564277531, 6.01438443642342500997404719769, 6.25147086243226609438728191415, 6.30712022747573352037572162635, 6.44100172084808297158730745855, 6.45659486016403027366744578034, 7.12164406315531926627217705002

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