Properties

Label 2-2e3-8.3-c48-0-24
Degree $2$
Conductor $8$
Sign $1$
Analytic cond. $116.738$
Root an. cond. $10.8045$
Motivic weight $48$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 1.67e7·2-s − 1.68e11·3-s + 2.81e14·4-s − 2.81e18·6-s + 4.72e21·8-s − 5.15e22·9-s − 1.30e25·11-s − 4.73e25·12-s + 7.92e28·16-s + 1.06e29·17-s − 8.64e29·18-s + 1.12e30·19-s − 2.18e32·22-s − 7.93e32·24-s + 3.55e33·25-s + 2.20e34·27-s + 1.32e36·32-s + 2.19e36·33-s + 1.79e36·34-s − 1.45e37·36-s + 1.89e37·38-s − 1.58e38·41-s − 2.26e39·43-s − 3.67e39·44-s − 1.33e40·48-s + 3.67e40·49-s + 5.96e40·50-s + ⋯
L(s)  = 1  + 2-s − 0.595·3-s + 4-s − 0.595·6-s + 8-s − 0.645·9-s − 1.32·11-s − 0.595·12-s + 16-s + 0.315·17-s − 0.645·18-s + 0.230·19-s − 1.32·22-s − 0.595·24-s + 25-s + 0.979·27-s + 32-s + 0.788·33-s + 0.315·34-s − 0.645·36-s + 0.230·38-s − 0.311·41-s − 1.41·43-s − 1.32·44-s − 0.595·48-s + 49-s + 50-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 8 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(49-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 8 ^{s/2} \, \Gamma_{\C}(s+24) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(8\)    =    \(2^{3}\)
Sign: $1$
Analytic conductor: \(116.738\)
Root analytic conductor: \(10.8045\)
Motivic weight: \(48\)
Rational: yes
Arithmetic: yes
Character: $\chi_{8} (3, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 8,\ (\ :24),\ 1)\)

Particular Values

\(L(\frac{49}{2})\) \(\approx\) \(3.067006828\)
\(L(\frac12)\) \(\approx\) \(3.067006828\)
\(L(25)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 - p^{24} T \)
good3 \( 1 + 168062386238 T + p^{48} T^{2} \)
5 \( ( 1 - p^{24} T )( 1 + p^{24} T ) \)
7 \( ( 1 - p^{24} T )( 1 + p^{24} T ) \)
11 \( 1 + \)\(13\!\cdots\!18\)\( T + p^{48} T^{2} \)
13 \( ( 1 - p^{24} T )( 1 + p^{24} T ) \)
17 \( 1 - \)\(10\!\cdots\!42\)\( T + p^{48} T^{2} \)
19 \( 1 - \)\(11\!\cdots\!42\)\( T + p^{48} T^{2} \)
23 \( ( 1 - p^{24} T )( 1 + p^{24} T ) \)
29 \( ( 1 - p^{24} T )( 1 + p^{24} T ) \)
31 \( ( 1 - p^{24} T )( 1 + p^{24} T ) \)
37 \( ( 1 - p^{24} T )( 1 + p^{24} T ) \)
41 \( 1 + \)\(15\!\cdots\!78\)\( T + p^{48} T^{2} \)
43 \( 1 + \)\(22\!\cdots\!98\)\( T + p^{48} T^{2} \)
47 \( ( 1 - p^{24} T )( 1 + p^{24} T ) \)
53 \( ( 1 - p^{24} T )( 1 + p^{24} T ) \)
59 \( 1 - \)\(58\!\cdots\!22\)\( T + p^{48} T^{2} \)
61 \( ( 1 - p^{24} T )( 1 + p^{24} T ) \)
67 \( 1 - \)\(69\!\cdots\!42\)\( T + p^{48} T^{2} \)
71 \( ( 1 - p^{24} T )( 1 + p^{24} T ) \)
73 \( 1 - \)\(83\!\cdots\!82\)\( T + p^{48} T^{2} \)
79 \( ( 1 - p^{24} T )( 1 + p^{24} T ) \)
83 \( 1 - \)\(83\!\cdots\!42\)\( T + p^{48} T^{2} \)
89 \( 1 + \)\(56\!\cdots\!18\)\( T + p^{48} T^{2} \)
97 \( 1 - \)\(87\!\cdots\!62\)\( T + p^{48} T^{2} \)
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   \(L(s) = \displaystyle\prod_p \ \prod_{j=1}^{2} (1 - \alpha_{j,p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−12.38079433555259897142460864492, −11.26966968576721348869750105763, −10.29086419508766991189140531366, −8.211945127214893889983402342768, −6.85856510485427112683756726454, −5.59796448574006454441430052309, −4.92198360795573437814350506490, −3.33117950880412348358771783019, −2.31179251172166240717505276534, −0.70788159369601408813213209801, 0.70788159369601408813213209801, 2.31179251172166240717505276534, 3.33117950880412348358771783019, 4.92198360795573437814350506490, 5.59796448574006454441430052309, 6.85856510485427112683756726454, 8.211945127214893889983402342768, 10.29086419508766991189140531366, 11.26966968576721348869750105763, 12.38079433555259897142460864492

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