Properties

Label 2-448-1.1-c5-0-14
Degree $2$
Conductor $448$
Sign $1$
Analytic cond. $71.8519$
Root an. cond. $8.47655$
Motivic weight $5$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 30·3-s − 32·5-s + 49·7-s + 657·9-s + 624·11-s + 708·13-s + 960·15-s + 934·17-s − 1.85e3·19-s − 1.47e3·21-s − 1.12e3·23-s − 2.10e3·25-s − 1.24e4·27-s + 1.17e3·29-s + 2.90e3·31-s − 1.87e4·33-s − 1.56e3·35-s + 1.24e4·37-s − 2.12e4·39-s + 2.66e3·41-s + 7.14e3·43-s − 2.10e4·45-s − 7.46e3·47-s + 2.40e3·49-s − 2.80e4·51-s + 2.72e4·53-s − 1.99e4·55-s + ⋯
L(s)  = 1  − 1.92·3-s − 0.572·5-s + 0.377·7-s + 2.70·9-s + 1.55·11-s + 1.16·13-s + 1.10·15-s + 0.783·17-s − 1.18·19-s − 0.727·21-s − 0.441·23-s − 0.672·25-s − 3.27·27-s + 0.259·29-s + 0.543·31-s − 2.99·33-s − 0.216·35-s + 1.49·37-s − 2.23·39-s + 0.247·41-s + 0.589·43-s − 1.54·45-s − 0.493·47-s + 1/7·49-s − 1.50·51-s + 1.33·53-s − 0.890·55-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: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 448,\ (\ :5/2),\ 1)\)

Particular Values

\(L(3)\) \(\approx\) \(1.148257291\)
\(L(\frac12)\) \(\approx\) \(1.148257291\)
\(L(\frac{7}{2})\) 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 \( 1 - p^{2} T \)
good3 \( 1 + 10 p T + p^{5} T^{2} \)
5 \( 1 + 32 T + p^{5} T^{2} \)
11 \( 1 - 624 T + p^{5} T^{2} \)
13 \( 1 - 708 T + p^{5} T^{2} \)
17 \( 1 - 934 T + p^{5} T^{2} \)
19 \( 1 + 1858 T + p^{5} T^{2} \)
23 \( 1 + 1120 T + p^{5} T^{2} \)
29 \( 1 - 1174 T + p^{5} T^{2} \)
31 \( 1 - 2908 T + p^{5} T^{2} \)
37 \( 1 - 12462 T + p^{5} T^{2} \)
41 \( 1 - 2662 T + p^{5} T^{2} \)
43 \( 1 - 7144 T + p^{5} T^{2} \)
47 \( 1 + 7468 T + p^{5} T^{2} \)
53 \( 1 - 27274 T + p^{5} T^{2} \)
59 \( 1 + 2490 T + p^{5} T^{2} \)
61 \( 1 - 11096 T + p^{5} T^{2} \)
67 \( 1 + 39756 T + p^{5} T^{2} \)
71 \( 1 + 69888 T + p^{5} T^{2} \)
73 \( 1 - 16450 T + p^{5} T^{2} \)
79 \( 1 - 78376 T + p^{5} T^{2} \)
83 \( 1 + 109818 T + p^{5} T^{2} \)
89 \( 1 + 56966 T + p^{5} T^{2} \)
97 \( 1 + 115946 T + p^{5} T^{2} \)
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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

−10.59976398878111244350784911711, −9.659592409662915758039925554300, −8.395857463240365325373463821657, −7.26631235370894855647947059131, −6.27099710758987353035196691321, −5.84346409180883066961602031067, −4.41249820053251753809863227449, −3.95251649833152450660540702166, −1.50830869087911875995077581111, −0.67954115003592206253094517732, 0.67954115003592206253094517732, 1.50830869087911875995077581111, 3.95251649833152450660540702166, 4.41249820053251753809863227449, 5.84346409180883066961602031067, 6.27099710758987353035196691321, 7.26631235370894855647947059131, 8.395857463240365325373463821657, 9.659592409662915758039925554300, 10.59976398878111244350784911711

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