Properties

Label 2-2e3-8.3-c76-0-42
Degree $2$
Conductor $8$
Sign $1$
Analytic cond. $292.632$
Root an. cond. $17.1065$
Motivic weight $76$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2.74e11·2-s − 2.54e18·3-s + 7.55e22·4-s − 6.98e29·6-s + 2.07e34·8-s + 4.62e36·9-s − 3.53e39·11-s − 1.91e41·12-s + 5.70e45·16-s + 7.06e46·17-s + 1.27e48·18-s + 2.41e48·19-s − 9.71e50·22-s − 5.27e52·24-s + 1.32e53·25-s − 7.12e54·27-s + 1.56e57·32-s + 8.97e57·33-s + 1.94e58·34-s + 3.49e59·36-s + 6.63e59·38-s + 3.09e61·41-s − 2.35e62·43-s − 2.67e62·44-s − 1.45e64·48-s + 1.68e64·49-s + 3.63e64·50-s + ⋯
L(s)  = 1  + 2-s − 1.88·3-s + 4-s − 1.88·6-s + 8-s + 2.53·9-s − 0.944·11-s − 1.88·12-s + 16-s + 1.23·17-s + 2.53·18-s + 0.616·19-s − 0.944·22-s − 1.88·24-s + 25-s − 2.88·27-s + 32-s + 1.77·33-s + 1.23·34-s + 2.53·36-s + 0.616·38-s + 1.60·41-s − 1.99·43-s − 0.944·44-s − 1.88·48-s + 49-s + 50-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 8 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(77-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 8 ^{s/2} \, \Gamma_{\C}(s+38) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(8\)    =    \(2^{3}\)
Sign: $1$
Analytic conductor: \(292.632\)
Root analytic conductor: \(17.1065\)
Motivic weight: \(76\)
Rational: yes
Arithmetic: yes
Character: $\chi_{8} (3, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 8,\ (\ :38),\ 1)\)

Particular Values

\(L(\frac{77}{2})\) \(\approx\) \(2.625435783\)
\(L(\frac12)\) \(\approx\) \(2.625435783\)
\(L(39)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 - p^{38} T \)
good3 \( 1 + 2540277181395969134 T + p^{76} T^{2} \)
5 \( ( 1 - p^{38} T )( 1 + p^{38} T ) \)
7 \( ( 1 - p^{38} T )( 1 + p^{38} T ) \)
11 \( 1 + \)\(35\!\cdots\!06\)\( T + p^{76} T^{2} \)
13 \( ( 1 - p^{38} T )( 1 + p^{38} T ) \)
17 \( 1 - \)\(70\!\cdots\!26\)\( T + p^{76} T^{2} \)
19 \( 1 - \)\(24\!\cdots\!14\)\( T + p^{76} T^{2} \)
23 \( ( 1 - p^{38} T )( 1 + p^{38} T ) \)
29 \( ( 1 - p^{38} T )( 1 + p^{38} T ) \)
31 \( ( 1 - p^{38} T )( 1 + p^{38} T ) \)
37 \( ( 1 - p^{38} T )( 1 + p^{38} T ) \)
41 \( 1 - \)\(30\!\cdots\!94\)\( T + p^{76} T^{2} \)
43 \( 1 + \)\(23\!\cdots\!02\)\( T + p^{76} T^{2} \)
47 \( ( 1 - p^{38} T )( 1 + p^{38} T ) \)
53 \( ( 1 - p^{38} T )( 1 + p^{38} T ) \)
59 \( 1 - \)\(23\!\cdots\!42\)\( T + p^{76} T^{2} \)
61 \( ( 1 - p^{38} T )( 1 + p^{38} T ) \)
67 \( 1 + \)\(41\!\cdots\!14\)\( T + p^{76} T^{2} \)
71 \( ( 1 - p^{38} T )( 1 + p^{38} T ) \)
73 \( 1 + \)\(11\!\cdots\!54\)\( T + p^{76} T^{2} \)
79 \( ( 1 - p^{38} T )( 1 + p^{38} T ) \)
83 \( 1 - \)\(12\!\cdots\!66\)\( T + p^{76} T^{2} \)
89 \( 1 + \)\(97\!\cdots\!26\)\( T + p^{76} T^{2} \)
97 \( 1 + \)\(58\!\cdots\!22\)\( T + p^{76} T^{2} \)
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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

−10.76104695258395002424559146181, −10.04758144099803861650869917895, −7.67001905116465591290189871688, −6.79373119916479414954488386255, −5.68350017122374110168891809228, −5.24761053242613352724544752894, −4.27678926040807510165383419525, −2.96783385970443304351558613613, −1.48937857957573819193590288743, −0.63521794969042916477380492158, 0.63521794969042916477380492158, 1.48937857957573819193590288743, 2.96783385970443304351558613613, 4.27678926040807510165383419525, 5.24761053242613352724544752894, 5.68350017122374110168891809228, 6.79373119916479414954488386255, 7.67001905116465591290189871688, 10.04758144099803861650869917895, 10.76104695258395002424559146181

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