Properties

Label 2-7448-1.1-c1-0-163
Degree $2$
Conductor $7448$
Sign $-1$
Analytic cond. $59.4725$
Root an. cond. $7.71184$
Motivic weight $1$
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 − 5-s + 9-s − 3·11-s + 6·13-s − 2·15-s − 2·17-s − 19-s − 23-s − 4·25-s − 4·27-s + 8·29-s − 8·31-s − 6·33-s + 6·37-s + 12·39-s − 2·41-s − 13·43-s − 45-s − 13·47-s − 4·51-s + 8·53-s + 3·55-s − 2·57-s + 12·59-s − 5·61-s − 6·65-s + ⋯
L(s)  = 1  + 1.15·3-s − 0.447·5-s + 1/3·9-s − 0.904·11-s + 1.66·13-s − 0.516·15-s − 0.485·17-s − 0.229·19-s − 0.208·23-s − 4/5·25-s − 0.769·27-s + 1.48·29-s − 1.43·31-s − 1.04·33-s + 0.986·37-s + 1.92·39-s − 0.312·41-s − 1.98·43-s − 0.149·45-s − 1.89·47-s − 0.560·51-s + 1.09·53-s + 0.404·55-s − 0.264·57-s + 1.56·59-s − 0.640·61-s − 0.744·65-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 7448 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 7448 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(7448\)    =    \(2^{3} \cdot 7^{2} \cdot 19\)
Sign: $-1$
Analytic conductor: \(59.4725\)
Root analytic conductor: \(7.71184\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 7448,\ (\ :1/2),\ -1)\)

Particular Values

\(L(1)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{3}{2})\) 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 \( 1 \)
19 \( 1 + T \)
good3 \( 1 - 2 T + p T^{2} \)
5 \( 1 + T + p T^{2} \)
11 \( 1 + 3 T + p T^{2} \)
13 \( 1 - 6 T + p T^{2} \)
17 \( 1 + 2 T + p T^{2} \)
23 \( 1 + T + p T^{2} \)
29 \( 1 - 8 T + p T^{2} \)
31 \( 1 + 8 T + p T^{2} \)
37 \( 1 - 6 T + p T^{2} \)
41 \( 1 + 2 T + p T^{2} \)
43 \( 1 + 13 T + p T^{2} \)
47 \( 1 + 13 T + p T^{2} \)
53 \( 1 - 8 T + p T^{2} \)
59 \( 1 - 12 T + p T^{2} \)
61 \( 1 + 5 T + p T^{2} \)
67 \( 1 + p T^{2} \)
71 \( 1 + 12 T + p T^{2} \)
73 \( 1 + 11 T + p T^{2} \)
79 \( 1 - 10 T + p T^{2} \)
83 \( 1 + 3 T + p T^{2} \)
89 \( 1 - 10 T + p T^{2} \)
97 \( 1 + 2 T + p T^{2} \)
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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

−7.83441847256653110965162081129, −6.96738712642747563196289872391, −6.21583437854160514040072675088, −5.45949337947767559251868514386, −4.50590620694394873552237989235, −3.71653224419339898837647615357, −3.22498796655634757404780894761, −2.36243648952996462728576523099, −1.49225369925413203882010646180, 0, 1.49225369925413203882010646180, 2.36243648952996462728576523099, 3.22498796655634757404780894761, 3.71653224419339898837647615357, 4.50590620694394873552237989235, 5.45949337947767559251868514386, 6.21583437854160514040072675088, 6.96738712642747563196289872391, 7.83441847256653110965162081129

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