Properties

Label 2-448-7.6-c2-0-14
Degree $2$
Conductor $448$
Sign $1$
Analytic cond. $12.2071$
Root an. cond. $3.49386$
Motivic weight $2$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 7·7-s + 9·9-s − 6·11-s − 18·23-s + 25·25-s + 54·29-s + 38·37-s + 58·43-s + 49·49-s + 6·53-s + 63·63-s − 118·67-s − 114·71-s − 42·77-s + 94·79-s + 81·81-s − 54·99-s + 186·107-s − 106·109-s − 222·113-s + ⋯
L(s)  = 1  + 7-s + 9-s − 0.545·11-s − 0.782·23-s + 25-s + 1.86·29-s + 1.02·37-s + 1.34·43-s + 49-s + 6/53·53-s + 63-s − 1.76·67-s − 1.60·71-s − 0.545·77-s + 1.18·79-s + 81-s − 0.545·99-s + 1.73·107-s − 0.972·109-s − 1.96·113-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 448 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 448 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(448\)    =    \(2^{6} \cdot 7\)
Sign: $1$
Analytic conductor: \(12.2071\)
Root analytic conductor: \(3.49386\)
Motivic weight: \(2\)
Rational: yes
Arithmetic: yes
Character: $\chi_{448} (321, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 448,\ (\ :1),\ 1)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(2.050947781\)
\(L(\frac12)\) \(\approx\) \(2.050947781\)
\(L(2)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
7 \( 1 - p T \)
good3 \( ( 1 - p T )( 1 + p T ) \)
5 \( ( 1 - p T )( 1 + p T ) \)
11 \( 1 + 6 T + p^{2} T^{2} \)
13 \( ( 1 - p T )( 1 + p T ) \)
17 \( ( 1 - p T )( 1 + p T ) \)
19 \( ( 1 - p T )( 1 + p T ) \)
23 \( 1 + 18 T + p^{2} T^{2} \)
29 \( 1 - 54 T + p^{2} T^{2} \)
31 \( ( 1 - p T )( 1 + p T ) \)
37 \( 1 - 38 T + p^{2} T^{2} \)
41 \( ( 1 - p T )( 1 + p T ) \)
43 \( 1 - 58 T + p^{2} T^{2} \)
47 \( ( 1 - p T )( 1 + p T ) \)
53 \( 1 - 6 T + p^{2} T^{2} \)
59 \( ( 1 - p T )( 1 + p T ) \)
61 \( ( 1 - p T )( 1 + p T ) \)
67 \( 1 + 118 T + p^{2} T^{2} \)
71 \( 1 + 114 T + p^{2} T^{2} \)
73 \( ( 1 - p T )( 1 + p T ) \)
79 \( 1 - 94 T + p^{2} T^{2} \)
83 \( ( 1 - p T )( 1 + p T ) \)
89 \( ( 1 - p T )( 1 + p T ) \)
97 \( ( 1 - p T )( 1 + p T ) \)
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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

−10.72045145939386537215496425429, −10.20243305454671662989879543078, −9.031450746031776925013380373775, −8.058286713332828245914050735120, −7.34899742605760727974582150014, −6.20404979957876406574409948224, −4.94568834683337146243943156654, −4.22645053298129115296744546119, −2.58589390219691219925871406948, −1.18179655461210441946016712612, 1.18179655461210441946016712612, 2.58589390219691219925871406948, 4.22645053298129115296744546119, 4.94568834683337146243943156654, 6.20404979957876406574409948224, 7.34899742605760727974582150014, 8.058286713332828245914050735120, 9.031450746031776925013380373775, 10.20243305454671662989879543078, 10.72045145939386537215496425429

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