Properties

Label 2-2e3-8.3-c46-0-31
Degree $2$
Conductor $8$
Sign $1$
Analytic cond. $107.214$
Root an. cond. $10.3544$
Motivic weight $46$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 8.38e6·2-s + 1.88e11·3-s + 7.03e13·4-s − 1.57e18·6-s − 5.90e20·8-s + 2.65e22·9-s + 2.79e23·11-s + 1.32e25·12-s + 4.95e27·16-s − 3.89e28·17-s − 2.22e29·18-s + 1.75e29·19-s − 2.34e30·22-s − 1.11e32·24-s + 1.42e32·25-s + 3.32e33·27-s − 4.15e34·32-s + 5.26e34·33-s + 3.27e35·34-s + 1.86e36·36-s − 1.47e36·38-s + 2.24e37·41-s + 4.31e37·43-s + 1.96e37·44-s + 9.31e38·48-s + 7.49e38·49-s − 1.19e39·50-s + ⋯
L(s)  = 1  − 2-s + 1.99·3-s + 4-s − 1.99·6-s − 8-s + 2.99·9-s + 0.312·11-s + 1.99·12-s + 16-s − 1.95·17-s − 2.99·18-s + 0.681·19-s − 0.312·22-s − 1.99·24-s + 25-s + 3.98·27-s − 32-s + 0.624·33-s + 1.95·34-s + 2.99·36-s − 0.681·38-s + 1.81·41-s + 1.16·43-s + 0.312·44-s + 1.99·48-s + 49-s − 50-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 8 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(47-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 8 ^{s/2} \, \Gamma_{\C}(s+23) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(8\)    =    \(2^{3}\)
Sign: $1$
Analytic conductor: \(107.214\)
Root analytic conductor: \(10.3544\)
Motivic weight: \(46\)
Rational: yes
Arithmetic: yes
Character: $\chi_{8} (3, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 8,\ (\ :23),\ 1)\)

Particular Values

\(L(\frac{47}{2})\) \(\approx\) \(3.509725617\)
\(L(\frac12)\) \(\approx\) \(3.509725617\)
\(L(24)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + p^{23} T \)
good3 \( 1 - 188152336462 T + p^{46} T^{2} \)
5 \( ( 1 - p^{23} T )( 1 + p^{23} T ) \)
7 \( ( 1 - p^{23} T )( 1 + p^{23} T ) \)
11 \( 1 - \)\(27\!\cdots\!94\)\( T + p^{46} T^{2} \)
13 \( ( 1 - p^{23} T )( 1 + p^{23} T ) \)
17 \( 1 + \)\(38\!\cdots\!82\)\( T + p^{46} T^{2} \)
19 \( 1 - \)\(17\!\cdots\!86\)\( T + p^{46} T^{2} \)
23 \( ( 1 - p^{23} T )( 1 + p^{23} T ) \)
29 \( ( 1 - p^{23} T )( 1 + p^{23} T ) \)
31 \( ( 1 - p^{23} T )( 1 + p^{23} T ) \)
37 \( ( 1 - p^{23} T )( 1 + p^{23} T ) \)
41 \( 1 - \)\(22\!\cdots\!94\)\( T + p^{46} T^{2} \)
43 \( 1 - \)\(43\!\cdots\!86\)\( T + p^{46} T^{2} \)
47 \( ( 1 - p^{23} T )( 1 + p^{23} T ) \)
53 \( ( 1 - p^{23} T )( 1 + p^{23} T ) \)
59 \( 1 + \)\(99\!\cdots\!42\)\( T + p^{46} T^{2} \)
61 \( ( 1 - p^{23} T )( 1 + p^{23} T ) \)
67 \( 1 - \)\(19\!\cdots\!98\)\( T + p^{46} T^{2} \)
71 \( ( 1 - p^{23} T )( 1 + p^{23} T ) \)
73 \( 1 + \)\(90\!\cdots\!78\)\( T + p^{46} T^{2} \)
79 \( ( 1 - p^{23} T )( 1 + p^{23} T ) \)
83 \( 1 - \)\(17\!\cdots\!62\)\( T + p^{46} T^{2} \)
89 \( 1 - \)\(17\!\cdots\!26\)\( T + p^{46} T^{2} \)
97 \( 1 + \)\(79\!\cdots\!46\)\( T + p^{46} T^{2} \)
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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

−12.69549999626950664910485252938, −10.77745306640211080768639104426, −9.371007932926603702345524282267, −8.847504543034012959748680300118, −7.70120378742242110037791567344, −6.74093461764243896536719894486, −4.20772431751425981373654616501, −2.89220035690391433096944765543, −2.12458922328572519259860851804, −0.977449276036223243555157263877, 0.977449276036223243555157263877, 2.12458922328572519259860851804, 2.89220035690391433096944765543, 4.20772431751425981373654616501, 6.74093461764243896536719894486, 7.70120378742242110037791567344, 8.847504543034012959748680300118, 9.371007932926603702345524282267, 10.77745306640211080768639104426, 12.69549999626950664910485252938

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