Properties

Label 2-448-1.1-c3-0-23
Degree $2$
Conductor $448$
Sign $1$
Analytic cond. $26.4328$
Root an. cond. $5.14128$
Motivic weight $3$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 6.24·3-s + 18.9·5-s + 7·7-s + 12.0·9-s + 49.7·11-s + 38.6·13-s + 118.·15-s − 83.9·17-s − 136.·19-s + 43.7·21-s + 149.·23-s + 233.·25-s − 93.4·27-s − 63.8·29-s + 6.03·31-s + 310.·33-s + 132.·35-s − 37.1·37-s + 241.·39-s − 361.·41-s + 99.2·43-s + 227.·45-s − 343.·47-s + 49·49-s − 524.·51-s − 625.·53-s + 941.·55-s + ⋯
L(s)  = 1  + 1.20·3-s + 1.69·5-s + 0.377·7-s + 0.445·9-s + 1.36·11-s + 0.825·13-s + 2.03·15-s − 1.19·17-s − 1.65·19-s + 0.454·21-s + 1.35·23-s + 1.86·25-s − 0.666·27-s − 0.408·29-s + 0.0349·31-s + 1.63·33-s + 0.639·35-s − 0.165·37-s + 0.992·39-s − 1.37·41-s + 0.351·43-s + 0.754·45-s − 1.06·47-s + 0.142·49-s − 1.44·51-s − 1.62·53-s + 2.30·55-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: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 448,\ (\ :3/2),\ 1)\)

Particular Values

\(L(2)\) \(\approx\) \(4.260778579\)
\(L(\frac12)\) \(\approx\) \(4.260778579\)
\(L(\frac{5}{2})\) 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 \( 1 - 7T \)
good3 \( 1 - 6.24T + 27T^{2} \)
5 \( 1 - 18.9T + 125T^{2} \)
11 \( 1 - 49.7T + 1.33e3T^{2} \)
13 \( 1 - 38.6T + 2.19e3T^{2} \)
17 \( 1 + 83.9T + 4.91e3T^{2} \)
19 \( 1 + 136.T + 6.85e3T^{2} \)
23 \( 1 - 149.T + 1.21e4T^{2} \)
29 \( 1 + 63.8T + 2.43e4T^{2} \)
31 \( 1 - 6.03T + 2.97e4T^{2} \)
37 \( 1 + 37.1T + 5.06e4T^{2} \)
41 \( 1 + 361.T + 6.89e4T^{2} \)
43 \( 1 - 99.2T + 7.95e4T^{2} \)
47 \( 1 + 343.T + 1.03e5T^{2} \)
53 \( 1 + 625.T + 1.48e5T^{2} \)
59 \( 1 - 363.T + 2.05e5T^{2} \)
61 \( 1 + 120.T + 2.26e5T^{2} \)
67 \( 1 - 173.T + 3.00e5T^{2} \)
71 \( 1 - 468.T + 3.57e5T^{2} \)
73 \( 1 + 710.T + 3.89e5T^{2} \)
79 \( 1 - 1.07e3T + 4.93e5T^{2} \)
83 \( 1 - 1.37e3T + 5.71e5T^{2} \)
89 \( 1 - 462.T + 7.04e5T^{2} \)
97 \( 1 - 456.T + 9.12e5T^{2} \)
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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

−10.58523452017150786063502151022, −9.403183774577296654849964494237, −8.980500399486457721998049089435, −8.362690758494077919345740064777, −6.74013992672965828007942799618, −6.22243881290069564244889619245, −4.82748988150644923089449238412, −3.56860009610892970221911470996, −2.25943544751598209828646700376, −1.54950844054971783623350626654, 1.54950844054971783623350626654, 2.25943544751598209828646700376, 3.56860009610892970221911470996, 4.82748988150644923089449238412, 6.22243881290069564244889619245, 6.74013992672965828007942799618, 8.362690758494077919345740064777, 8.980500399486457721998049089435, 9.403183774577296654849964494237, 10.58523452017150786063502151022

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