Properties

Label 2-448-1.1-c3-0-14
Degree $2$
Conductor $448$
Sign $1$
Analytic cond. $26.4328$
Root an. cond. $5.14128$
Motivic weight $3$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2·3-s + 16·5-s − 7·7-s − 23·9-s − 24·11-s + 68·13-s + 32·15-s + 54·17-s + 46·19-s − 14·21-s + 176·23-s + 131·25-s − 100·27-s + 174·29-s − 116·31-s − 48·33-s − 112·35-s − 74·37-s + 136·39-s − 10·41-s + 480·43-s − 368·45-s − 572·47-s + 49·49-s + 108·51-s + 162·53-s − 384·55-s + ⋯
L(s)  = 1  + 0.384·3-s + 1.43·5-s − 0.377·7-s − 0.851·9-s − 0.657·11-s + 1.45·13-s + 0.550·15-s + 0.770·17-s + 0.555·19-s − 0.145·21-s + 1.59·23-s + 1.04·25-s − 0.712·27-s + 1.11·29-s − 0.672·31-s − 0.253·33-s − 0.540·35-s − 0.328·37-s + 0.558·39-s − 0.0380·41-s + 1.70·43-s − 1.21·45-s − 1.77·47-s + 1/7·49-s + 0.296·51-s + 0.419·53-s − 0.941·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 448 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 448 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(448\)    =    \(2^{6} \cdot 7\)
Sign: $1$
Analytic conductor: \(26.4328\)
Root analytic conductor: \(5.14128\)
Motivic weight: \(3\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 448,\ (\ :3/2),\ 1)\)

Particular Values

\(L(2)\) \(\approx\) \(2.801768289\)
\(L(\frac12)\) \(\approx\) \(2.801768289\)
\(L(\frac{5}{2})\) 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 \( 1 - 2 T + p^{3} T^{2} \)
5 \( 1 - 16 T + p^{3} T^{2} \)
11 \( 1 + 24 T + p^{3} T^{2} \)
13 \( 1 - 68 T + p^{3} T^{2} \)
17 \( 1 - 54 T + p^{3} T^{2} \)
19 \( 1 - 46 T + p^{3} T^{2} \)
23 \( 1 - 176 T + p^{3} T^{2} \)
29 \( 1 - 6 p T + p^{3} T^{2} \)
31 \( 1 + 116 T + p^{3} T^{2} \)
37 \( 1 + 2 p T + p^{3} T^{2} \)
41 \( 1 + 10 T + p^{3} T^{2} \)
43 \( 1 - 480 T + p^{3} T^{2} \)
47 \( 1 + 572 T + p^{3} T^{2} \)
53 \( 1 - 162 T + p^{3} T^{2} \)
59 \( 1 - 86 T + p^{3} T^{2} \)
61 \( 1 - 904 T + p^{3} T^{2} \)
67 \( 1 + 660 T + p^{3} T^{2} \)
71 \( 1 - 1024 T + p^{3} T^{2} \)
73 \( 1 - 770 T + p^{3} T^{2} \)
79 \( 1 + 904 T + p^{3} T^{2} \)
83 \( 1 + 682 T + p^{3} T^{2} \)
89 \( 1 + 102 T + p^{3} T^{2} \)
97 \( 1 + 218 T + p^{3} T^{2} \)
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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

−10.59559560445141832767446428592, −9.693976854559557630387542086095, −8.959727651652422063315162854191, −8.160333572864296975887471983427, −6.81743636139393654954061326672, −5.84128449076005045911467724644, −5.25261638779245070783695689932, −3.41827121980011840626254517916, −2.55676654815546571740034622108, −1.12532286191305595436859421271, 1.12532286191305595436859421271, 2.55676654815546571740034622108, 3.41827121980011840626254517916, 5.25261638779245070783695689932, 5.84128449076005045911467724644, 6.81743636139393654954061326672, 8.160333572864296975887471983427, 8.959727651652422063315162854191, 9.693976854559557630387542086095, 10.59559560445141832767446428592

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