Properties

Label 2-672-1.1-c1-0-5
Degree $2$
Conductor $672$
Sign $1$
Analytic cond. $5.36594$
Root an. cond. $2.31645$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 3-s + 7-s + 9-s + 2·11-s − 2·13-s + 4·17-s + 4·19-s + 21-s + 6·23-s − 5·25-s + 27-s − 2·29-s + 2·33-s − 6·37-s − 2·39-s + 8·41-s + 8·43-s + 4·47-s + 49-s + 4·51-s − 6·53-s + 4·57-s − 14·61-s + 63-s − 4·67-s + 6·69-s + 2·71-s + ⋯
L(s)  = 1  + 0.577·3-s + 0.377·7-s + 1/3·9-s + 0.603·11-s − 0.554·13-s + 0.970·17-s + 0.917·19-s + 0.218·21-s + 1.25·23-s − 25-s + 0.192·27-s − 0.371·29-s + 0.348·33-s − 0.986·37-s − 0.320·39-s + 1.24·41-s + 1.21·43-s + 0.583·47-s + 1/7·49-s + 0.560·51-s − 0.824·53-s + 0.529·57-s − 1.79·61-s + 0.125·63-s − 0.488·67-s + 0.722·69-s + 0.237·71-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 672 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 672 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(672\)    =    \(2^{5} \cdot 3 \cdot 7\)
Sign: $1$
Analytic conductor: \(5.36594\)
Root analytic conductor: \(2.31645\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 672,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.994762501\)
\(L(\frac12)\) \(\approx\) \(1.994762501\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
3 \( 1 - T \)
7 \( 1 - T \)
good5 \( 1 + p T^{2} \)
11 \( 1 - 2 T + p T^{2} \)
13 \( 1 + 2 T + p T^{2} \)
17 \( 1 - 4 T + p T^{2} \)
19 \( 1 - 4 T + p T^{2} \)
23 \( 1 - 6 T + p T^{2} \)
29 \( 1 + 2 T + p T^{2} \)
31 \( 1 + p T^{2} \)
37 \( 1 + 6 T + p T^{2} \)
41 \( 1 - 8 T + p T^{2} \)
43 \( 1 - 8 T + p T^{2} \)
47 \( 1 - 4 T + p T^{2} \)
53 \( 1 + 6 T + p T^{2} \)
59 \( 1 + p T^{2} \)
61 \( 1 + 14 T + p T^{2} \)
67 \( 1 + 4 T + p T^{2} \)
71 \( 1 - 2 T + p T^{2} \)
73 \( 1 + 2 T + p T^{2} \)
79 \( 1 + 4 T + p T^{2} \)
83 \( 1 + 12 T + p T^{2} \)
89 \( 1 + p T^{2} \)
97 \( 1 - 6 T + p T^{2} \)
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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

−10.41074080313986455036103638000, −9.476665861791711671305936474368, −8.943086252374510058732995262383, −7.71090868218694782736415188362, −7.32082126936645491942637559694, −5.97779432028631552865085959088, −4.97691463353523376663815741347, −3.85252585768054816532884619372, −2.79609515636067281736780650551, −1.36229546664790534828076487479, 1.36229546664790534828076487479, 2.79609515636067281736780650551, 3.85252585768054816532884619372, 4.97691463353523376663815741347, 5.97779432028631552865085959088, 7.32082126936645491942637559694, 7.71090868218694782736415188362, 8.943086252374510058732995262383, 9.476665861791711671305936474368, 10.41074080313986455036103638000

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