Properties

Label 2-448-1.1-c5-0-20
Degree $2$
Conductor $448$
Sign $-1$
Analytic cond. $71.8519$
Root an. cond. $8.47655$
Motivic weight $5$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 19.9·3-s − 106.·5-s − 49·7-s + 156.·9-s + 452.·11-s − 886.·13-s + 2.12e3·15-s + 297.·17-s − 2.28e3·19-s + 978.·21-s + 555.·23-s + 8.14e3·25-s + 1.73e3·27-s + 8.26e3·29-s + 4.24e3·31-s − 9.03e3·33-s + 5.20e3·35-s + 758.·37-s + 1.77e4·39-s + 1.72e4·41-s + 5.37e3·43-s − 1.65e4·45-s − 2.56e4·47-s + 2.40e3·49-s − 5.95e3·51-s − 1.08e4·53-s − 4.80e4·55-s + ⋯
L(s)  = 1  − 1.28·3-s − 1.89·5-s − 0.377·7-s + 0.642·9-s + 1.12·11-s − 1.45·13-s + 2.43·15-s + 0.250·17-s − 1.45·19-s + 0.484·21-s + 0.218·23-s + 2.60·25-s + 0.458·27-s + 1.82·29-s + 0.793·31-s − 1.44·33-s + 0.717·35-s + 0.0911·37-s + 1.86·39-s + 1.59·41-s + 0.443·43-s − 1.22·45-s − 1.69·47-s + 0.142·49-s − 0.320·51-s − 0.529·53-s − 2.14·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 448 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(6-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 448 ^{s/2} \, \Gamma_{\C}(s+5/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(448\)    =    \(2^{6} \cdot 7\)
Sign: $-1$
Analytic conductor: \(71.8519\)
Root analytic conductor: \(8.47655\)
Motivic weight: \(5\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 448,\ (\ :5/2),\ -1)\)

Particular Values

\(L(3)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{7}{2})\) 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 \( 1 + 49T \)
good3 \( 1 + 19.9T + 243T^{2} \)
5 \( 1 + 106.T + 3.12e3T^{2} \)
11 \( 1 - 452.T + 1.61e5T^{2} \)
13 \( 1 + 886.T + 3.71e5T^{2} \)
17 \( 1 - 297.T + 1.41e6T^{2} \)
19 \( 1 + 2.28e3T + 2.47e6T^{2} \)
23 \( 1 - 555.T + 6.43e6T^{2} \)
29 \( 1 - 8.26e3T + 2.05e7T^{2} \)
31 \( 1 - 4.24e3T + 2.86e7T^{2} \)
37 \( 1 - 758.T + 6.93e7T^{2} \)
41 \( 1 - 1.72e4T + 1.15e8T^{2} \)
43 \( 1 - 5.37e3T + 1.47e8T^{2} \)
47 \( 1 + 2.56e4T + 2.29e8T^{2} \)
53 \( 1 + 1.08e4T + 4.18e8T^{2} \)
59 \( 1 - 2.79e3T + 7.14e8T^{2} \)
61 \( 1 + 8.46e3T + 8.44e8T^{2} \)
67 \( 1 + 1.43e4T + 1.35e9T^{2} \)
71 \( 1 + 6.11e4T + 1.80e9T^{2} \)
73 \( 1 + 6.00e3T + 2.07e9T^{2} \)
79 \( 1 - 2.53e4T + 3.07e9T^{2} \)
83 \( 1 - 5.43e3T + 3.93e9T^{2} \)
89 \( 1 - 3.03e4T + 5.58e9T^{2} \)
97 \( 1 + 8.30e4T + 8.58e9T^{2} \)
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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

−10.11721176077500943723318057738, −8.843546879624781213114835570731, −7.87752944288951068854735279036, −6.89552665459904884929670863296, −6.28703432154717144897977359359, −4.72764644962973556402963702769, −4.30811122420106708279243856438, −2.95150830878000964017584691216, −0.827392042152277703753671441041, 0, 0.827392042152277703753671441041, 2.95150830878000964017584691216, 4.30811122420106708279243856438, 4.72764644962973556402963702769, 6.28703432154717144897977359359, 6.89552665459904884929670863296, 7.87752944288951068854735279036, 8.843546879624781213114835570731, 10.11721176077500943723318057738

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