Properties

Label 8-4788e4-1.1-c1e4-0-1
Degree $8$
Conductor $5.256\times 10^{14}$
Sign $1$
Analytic cond. $2.13660\times 10^{6}$
Root an. cond. $6.18323$
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  + 3·7-s + 10·11-s + 16·23-s + 9·25-s + 2·43-s + 7·49-s + 30·77-s + 47·121-s + 127-s + 131-s + 137-s + 139-s + 149-s + 151-s + 157-s + 48·161-s + 163-s + 167-s − 52·169-s + 173-s + 27·175-s + 179-s + 181-s + 191-s + 193-s + 197-s + 199-s + ⋯
L(s)  = 1  + 1.13·7-s + 3.01·11-s + 3.33·23-s + 9/5·25-s + 0.304·43-s + 49-s + 3.41·77-s + 4.27·121-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 + 3.78·161-s + 0.0783·163-s + 0.0773·167-s − 4·169-s + 0.0760·173-s + 2.04·175-s + 0.0747·179-s + 0.0743·181-s + 0.0723·191-s + 0.0719·193-s + 0.0712·197-s + 0.0708·199-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut &\left(2^{8} \cdot 3^{8} \cdot 7^{4} \cdot 19^{4}\right)^{s/2} \, \Gamma_{\C}(s)^{4} \, L(s)\cr=\mathstrut & \,\Lambda(2-s)\end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut &\left(2^{8} \cdot 3^{8} \cdot 7^{4} \cdot 19^{4}\right)^{s/2} \, \Gamma_{\C}(s+1/2)^{4} \, L(s)\cr=\mathstrut & \,\Lambda(1-s)\end{aligned}\]

Invariants

Degree: \(8\)
Conductor: \(2^{8} \cdot 3^{8} \cdot 7^{4} \cdot 19^{4}\)
Sign: $1$
Analytic conductor: \(2.13660\times 10^{6}\)
Root analytic conductor: \(6.18323\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: no
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((8,\ 2^{8} \cdot 3^{8} \cdot 7^{4} \cdot 19^{4} ,\ ( \ : 1/2, 1/2, 1/2, 1/2 ),\ 1 )\)

Particular Values

\(L(1)\) \(\approx\) \(16.48807442\)
\(L(\frac12)\) \(\approx\) \(16.48807442\)
\(L(\frac{3}{2})\) 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)$Isogeny Class over $\mathbf{F}_p$
bad2 \( 1 \)
3 \( 1 \)
7$C_2^2$ \( 1 - 3 T + 2 T^{2} - 3 p T^{3} + p^{2} T^{4} \)
19$C_2$ \( ( 1 + p T^{2} )^{2} \)
good5$C_2^2$$\times$$C_2^2$ \( ( 1 - T - 4 T^{2} - p T^{3} + p^{2} T^{4} )( 1 + T - 4 T^{2} + p T^{3} + p^{2} T^{4} ) \) 4.5.a_aj_a_ce
11$C_2^2$ \( ( 1 - 5 T + 14 T^{2} - 5 p T^{3} + p^{2} T^{4} )^{2} \) 4.11.ak_cb_ajq_bma
13$C_2$ \( ( 1 + p T^{2} )^{4} \) 4.13.a_ca_a_bna
17$C_2^2$$\times$$C_2^2$ \( ( 1 - 7 T + 32 T^{2} - 7 p T^{3} + p^{2} T^{4} )( 1 + 7 T + 32 T^{2} + 7 p T^{3} + p^{2} T^{4} ) \) 4.17.a_p_a_acm
23$C_2$ \( ( 1 - 4 T + p T^{2} )^{4} \) 4.23.aq_hg_acai_lpu
29$C_2$ \( ( 1 - p T^{2} )^{4} \) 4.29.a_aem_a_hmc
31$C_2$ \( ( 1 + p T^{2} )^{4} \) 4.31.a_eu_a_inu
37$C_2$ \( ( 1 - p T^{2} )^{4} \) 4.37.a_afs_a_mdy
41$C_2$ \( ( 1 + p T^{2} )^{4} \) 4.41.a_gi_a_oxy
43$C_2^2$ \( ( 1 - T - 42 T^{2} - p T^{3} + p^{2} T^{4} )^{2} \) 4.43.ac_adf_ac_ifk
47$C_2^2$$\times$$C_2^2$ \( ( 1 - 13 T + 122 T^{2} - 13 p T^{3} + p^{2} T^{4} )( 1 + 13 T + 122 T^{2} + 13 p T^{3} + p^{2} T^{4} ) \) 4.47.a_cx_a_fbk
53$C_2$ \( ( 1 - p T^{2} )^{4} \) 4.53.a_aie_a_yyg
59$C_2$ \( ( 1 + p T^{2} )^{4} \) 4.59.a_jc_a_bexi
61$C_2^2$$\times$$C_2^2$ \( ( 1 - 15 T + 164 T^{2} - 15 p T^{3} + p^{2} T^{4} )( 1 + 15 T + 164 T^{2} + 15 p T^{3} + p^{2} T^{4} ) \) 4.61.a_dz_a_key
67$C_2$ \( ( 1 - p T^{2} )^{4} \) 4.67.a_aki_a_bnvy
71$C_2$ \( ( 1 - p T^{2} )^{4} \) 4.71.a_aky_a_bsti
73$C_2^2$$\times$$C_2^2$ \( ( 1 - 11 T + 48 T^{2} - 11 p T^{3} + p^{2} T^{4} )( 1 + 11 T + 48 T^{2} + 11 p T^{3} + p^{2} T^{4} ) \) 4.73.a_az_a_agyy
79$C_2$ \( ( 1 - p T^{2} )^{4} \) 4.79.a_ame_a_cdkg
83$C_2$ \( ( 1 - 16 T + p T^{2} )^{2}( 1 + 16 T + p T^{2} )^{2} \) 4.83.a_agy_a_bgjm
89$C_2$ \( ( 1 + p T^{2} )^{4} \) 4.89.a_ns_a_cshy
97$C_2$ \( ( 1 + p T^{2} )^{4} \) 4.97.a_oy_a_dfni
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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

−5.65417724935913037807038406322, −5.56289522326117271028742199441, −5.46625849790942345736447618095, −5.21197785142666620256651559969, −5.16688347224187788139589573806, −4.71517969853819842153244223138, −4.65778883781367992477666545471, −4.55663572264720897243790232812, −4.32027918537686298905488285093, −3.99815011833789226805863794297, −3.97260164112803801302624274965, −3.69851669577284120057481559023, −3.40768025985537605821831967829, −3.20154230418691952612555133637, −2.97304968413595728529221890848, −2.92075952235850943800334646045, −2.46356398998730988096788220560, −2.39060188148230673994004127022, −1.94759443545029728960742328540, −1.56793139248720687484785125544, −1.52401566350234417316584045461, −1.17624772787336207381416259242, −1.13214971105214111021625516753, −0.62313692861065235664004605358, −0.61368694693971317305710204511, 0.61368694693971317305710204511, 0.62313692861065235664004605358, 1.13214971105214111021625516753, 1.17624772787336207381416259242, 1.52401566350234417316584045461, 1.56793139248720687484785125544, 1.94759443545029728960742328540, 2.39060188148230673994004127022, 2.46356398998730988096788220560, 2.92075952235850943800334646045, 2.97304968413595728529221890848, 3.20154230418691952612555133637, 3.40768025985537605821831967829, 3.69851669577284120057481559023, 3.97260164112803801302624274965, 3.99815011833789226805863794297, 4.32027918537686298905488285093, 4.55663572264720897243790232812, 4.65778883781367992477666545471, 4.71517969853819842153244223138, 5.16688347224187788139589573806, 5.21197785142666620256651559969, 5.46625849790942345736447618095, 5.56289522326117271028742199441, 5.65417724935913037807038406322

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