Properties

Label 8-15e8-1.1-c1e4-0-2
Degree $8$
Conductor $2562890625$
Sign $1$
Analytic cond. $10.4192$
Root an. cond. $1.34038$
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  + 8·7-s − 4·13-s − 16-s − 16·31-s − 4·37-s + 32·43-s + 32·49-s + 32·61-s − 16·67-s − 4·73-s − 32·91-s + 44·97-s − 40·103-s − 8·112-s + 28·121-s + 127-s + 131-s + 137-s + 139-s + 149-s + 151-s + 157-s + 163-s + 167-s + 8·169-s + 173-s + 179-s + ⋯
L(s)  = 1  + 3.02·7-s − 1.10·13-s − 1/4·16-s − 2.87·31-s − 0.657·37-s + 4.87·43-s + 32/7·49-s + 4.09·61-s − 1.95·67-s − 0.468·73-s − 3.35·91-s + 4.46·97-s − 3.94·103-s − 0.755·112-s + 2.54·121-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 + 8/13·169-s + 0.0760·173-s + 0.0747·179-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut &\left(3^{8} \cdot 5^{8}\right)^{s/2} \, \Gamma_{\C}(s)^{4} \, L(s)\cr=\mathstrut & \,\Lambda(2-s)\end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut &\left(3^{8} \cdot 5^{8}\right)^{s/2} \, \Gamma_{\C}(s+1/2)^{4} \, L(s)\cr=\mathstrut & \,\Lambda(1-s)\end{aligned}\]

Invariants

Degree: \(8\)
Conductor: \(3^{8} \cdot 5^{8}\)
Sign: $1$
Analytic conductor: \(10.4192\)
Root analytic conductor: \(1.34038\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: no
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((8,\ 3^{8} \cdot 5^{8} ,\ ( \ : 1/2, 1/2, 1/2, 1/2 ),\ 1 )\)

Particular Values

\(L(1)\) \(\approx\) \(2.300646045\)
\(L(\frac12)\) \(\approx\) \(2.300646045\)
\(L(\frac{3}{2})\) 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 $\mathbf{F}_p$
bad3 \( 1 \)
5 \( 1 \)
good2$C_2^3$ \( 1 + T^{4} + p^{4} T^{8} \) 4.2.a_a_a_b
7$C_2^2$ \( ( 1 - 4 T + 8 T^{2} - 4 p T^{3} + p^{2} T^{4} )^{2} \) 4.7.ai_bg_aeq_ow
11$C_2$ \( ( 1 - 6 T + p T^{2} )^{2}( 1 + 6 T + p T^{2} )^{2} \) 4.11.a_abc_a_qw
13$C_2$ \( ( 1 - 4 T + p T^{2} )^{2}( 1 + 6 T + p T^{2} )^{2} \) 4.13.e_i_ci_re
17$C_2^3$ \( 1 - 254 T^{4} + p^{4} T^{8} \) 4.17.a_a_a_aju
19$C_2$ \( ( 1 - p T^{2} )^{4} \) 4.19.a_acy_a_dfi
23$C_2^3$ \( 1 - 158 T^{4} + p^{4} T^{8} \) 4.23.a_a_a_agc
29$C_2^2$ \( ( 1 + 40 T^{2} + p^{2} T^{4} )^{2} \) 4.29.a_dc_a_ewg
31$C_2$ \( ( 1 + 4 T + p T^{2} )^{4} \) 4.31.q_im_cpc_rso
37$C_2^2$ \( ( 1 + 2 T + 2 T^{2} + 2 p T^{3} + p^{2} T^{4} )^{2} \) 4.37.e_i_ga_emw
41$C_2^2$ \( ( 1 - 80 T^{2} + p^{2} T^{4} )^{2} \) 4.41.a_age_a_olm
43$C_2^2$ \( ( 1 - 16 T + 128 T^{2} - 16 p T^{3} + p^{2} T^{4} )^{2} \) 4.43.abg_ts_aicm_ckhe
47$C_2^3$ \( 1 - 3518 T^{4} + p^{4} T^{8} \) 4.47.a_a_a_affi
53$C_2^2$$\times$$C_2^2$ \( ( 1 - 56 T^{2} + p^{2} T^{4} )( 1 + 56 T^{2} + p^{2} T^{4} ) \) 4.53.a_a_a_drm
59$C_2^2$ \( ( 1 + 46 T^{2} + p^{2} T^{4} )^{2} \) 4.59.a_do_a_nle
61$C_2$ \( ( 1 - 8 T + p T^{2} )^{4} \) 4.61.abg_ye_alsa_eekc
67$C_2^2$ \( ( 1 + 8 T + 32 T^{2} + 8 p T^{3} + p^{2} T^{4} )^{2} \) 4.67.q_ey_ciy_bbmo
71$C_2^2$ \( ( 1 - 110 T^{2} + p^{2} T^{4} )^{2} \) 4.71.a_aim_a_bgve
73$C_2^2$ \( ( 1 + 2 T + 2 T^{2} + 2 p T^{3} + p^{2} T^{4} )^{2} \) 4.73.e_i_lo_qqo
79$C_2^2$ \( ( 1 - 14 T^{2} + p^{2} T^{4} )^{2} \) 4.79.a_abc_a_stq
83$C_2^3$ \( 1 + 8722 T^{4} + p^{4} T^{8} \) 4.83.a_a_a_mxm
89$C_2^2$ \( ( 1 + 16 T^{2} + p^{2} T^{4} )^{2} \) 4.89.a_bg_a_xve
97$C_2^2$ \( ( 1 - 22 T + 242 T^{2} - 22 p T^{3} + p^{2} T^{4} )^{2} \) 4.97.abs_blg_awbs_jtjq
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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

−9.087039964230170588001187478423, −8.646272972011338520076968077525, −8.299540793805372021990532734293, −8.207357606127557863819765877889, −7.87402606288572129739644673693, −7.60199167602809397153443426663, −7.41439774919426906661234688227, −7.22408914352540503292374627314, −6.95251237299363432805196377715, −6.74815821322440349680070626144, −5.94259361664127967526430284693, −5.77736108683814380360010462353, −5.63791021885016944402708361816, −5.36123438529372113779581079301, −4.92528642053359984071928104512, −4.76327402091490315405806228426, −4.49273148215298350663438184775, −4.01941594741982611705807245109, −3.92599680435465843769319585591, −3.43575388767802316861762507108, −2.67939316892579796084197521046, −2.25848312992364474183984224563, −2.15141207381034754334356551336, −1.60237081858699516247308595620, −0.941842629029834829276222122057, 0.941842629029834829276222122057, 1.60237081858699516247308595620, 2.15141207381034754334356551336, 2.25848312992364474183984224563, 2.67939316892579796084197521046, 3.43575388767802316861762507108, 3.92599680435465843769319585591, 4.01941594741982611705807245109, 4.49273148215298350663438184775, 4.76327402091490315405806228426, 4.92528642053359984071928104512, 5.36123438529372113779581079301, 5.63791021885016944402708361816, 5.77736108683814380360010462353, 5.94259361664127967526430284693, 6.74815821322440349680070626144, 6.95251237299363432805196377715, 7.22408914352540503292374627314, 7.41439774919426906661234688227, 7.60199167602809397153443426663, 7.87402606288572129739644673693, 8.207357606127557863819765877889, 8.299540793805372021990532734293, 8.646272972011338520076968077525, 9.087039964230170588001187478423

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