Properties

Label 2-448-1.1-c3-0-35
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 $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2·3-s + 12·5-s + 7·7-s − 23·9-s − 48·11-s − 56·13-s + 24·15-s − 114·17-s − 2·19-s + 14·21-s − 120·23-s + 19·25-s − 100·27-s + 54·29-s + 236·31-s − 96·33-s + 84·35-s − 146·37-s − 112·39-s + 126·41-s + 376·43-s − 276·45-s − 12·47-s + 49·49-s − 228·51-s − 174·53-s − 576·55-s + ⋯
L(s)  = 1  + 0.384·3-s + 1.07·5-s + 0.377·7-s − 0.851·9-s − 1.31·11-s − 1.19·13-s + 0.413·15-s − 1.62·17-s − 0.0241·19-s + 0.145·21-s − 1.08·23-s + 0.151·25-s − 0.712·27-s + 0.345·29-s + 1.36·31-s − 0.506·33-s + 0.405·35-s − 0.648·37-s − 0.459·39-s + 0.479·41-s + 1.33·43-s − 0.914·45-s − 0.0372·47-s + 1/7·49-s − 0.626·51-s − 0.450·53-s − 1.41·55-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: \(1\)
Selberg data: \((2,\ 448,\ (\ :3/2),\ -1)\)

Particular Values

\(L(2)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{5}{2})\) 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 \( 1 - 12 T + p^{3} T^{2} \)
11 \( 1 + 48 T + p^{3} T^{2} \)
13 \( 1 + 56 T + p^{3} T^{2} \)
17 \( 1 + 114 T + p^{3} T^{2} \)
19 \( 1 + 2 T + p^{3} T^{2} \)
23 \( 1 + 120 T + p^{3} T^{2} \)
29 \( 1 - 54 T + p^{3} T^{2} \)
31 \( 1 - 236 T + p^{3} T^{2} \)
37 \( 1 + 146 T + p^{3} T^{2} \)
41 \( 1 - 126 T + p^{3} T^{2} \)
43 \( 1 - 376 T + p^{3} T^{2} \)
47 \( 1 + 12 T + p^{3} T^{2} \)
53 \( 1 + 174 T + p^{3} T^{2} \)
59 \( 1 + 138 T + p^{3} T^{2} \)
61 \( 1 + 380 T + p^{3} T^{2} \)
67 \( 1 - 484 T + p^{3} T^{2} \)
71 \( 1 - 576 T + p^{3} T^{2} \)
73 \( 1 + 1150 T + p^{3} T^{2} \)
79 \( 1 - 776 T + p^{3} T^{2} \)
83 \( 1 + 378 T + p^{3} T^{2} \)
89 \( 1 + 390 T + p^{3} T^{2} \)
97 \( 1 + 1330 T + p^{3} T^{2} \)
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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

−10.17637691660809895302981680936, −9.365564238324829429241527318316, −8.429275576522712961438138932296, −7.62439168231374487098148277575, −6.34799136971023390773890336012, −5.44721152386432458707400621776, −4.51867879935786841495557541546, −2.66415363648355906437371169918, −2.16730444532053418676174383212, 0, 2.16730444532053418676174383212, 2.66415363648355906437371169918, 4.51867879935786841495557541546, 5.44721152386432458707400621776, 6.34799136971023390773890336012, 7.62439168231374487098148277575, 8.429275576522712961438138932296, 9.365564238324829429241527318316, 10.17637691660809895302981680936

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