Properties

Label 2-672-1.1-c1-0-6
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 + 2·5-s + 7-s + 9-s + 2·13-s + 2·15-s + 2·17-s − 4·19-s + 21-s − 25-s + 27-s + 6·29-s + 2·35-s + 6·37-s + 2·39-s − 6·41-s − 8·43-s + 2·45-s − 8·47-s + 49-s + 2·51-s + 6·53-s − 4·57-s + 12·59-s + 10·61-s + 63-s + 4·65-s + ⋯
L(s)  = 1  + 0.577·3-s + 0.894·5-s + 0.377·7-s + 1/3·9-s + 0.554·13-s + 0.516·15-s + 0.485·17-s − 0.917·19-s + 0.218·21-s − 1/5·25-s + 0.192·27-s + 1.11·29-s + 0.338·35-s + 0.986·37-s + 0.320·39-s − 0.937·41-s − 1.21·43-s + 0.298·45-s − 1.16·47-s + 1/7·49-s + 0.280·51-s + 0.824·53-s − 0.529·57-s + 1.56·59-s + 1.28·61-s + 0.125·63-s + 0.496·65-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

\(L(1)\) \(\approx\) \(2.228005814\)
\(L(\frac12)\) \(\approx\) \(2.228005814\)
\(L(\frac{3}{2})\) 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 \( 1 - 2 T + p T^{2} \)
11 \( 1 + p T^{2} \)
13 \( 1 - 2 T + p T^{2} \)
17 \( 1 - 2 T + p T^{2} \)
19 \( 1 + 4 T + p T^{2} \)
23 \( 1 + p T^{2} \)
29 \( 1 - 6 T + p T^{2} \)
31 \( 1 + p T^{2} \)
37 \( 1 - 6 T + p T^{2} \)
41 \( 1 + 6 T + p T^{2} \)
43 \( 1 + 8 T + p T^{2} \)
47 \( 1 + 8 T + p T^{2} \)
53 \( 1 - 6 T + p T^{2} \)
59 \( 1 - 12 T + p T^{2} \)
61 \( 1 - 10 T + p T^{2} \)
67 \( 1 + 16 T + p T^{2} \)
71 \( 1 - 8 T + p T^{2} \)
73 \( 1 + 6 T + p T^{2} \)
79 \( 1 + 8 T + p T^{2} \)
83 \( 1 - 12 T + p T^{2} \)
89 \( 1 + 14 T + p T^{2} \)
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

−10.24733695220424559147521672427, −9.768998369578198086360697721326, −8.643952701675766415492574439921, −8.166047761688637687090227543209, −6.91666929474613726367436300689, −6.06997282501662098824886849744, −5.03856124527433249174894736338, −3.89046750453116338353014311196, −2.62233033257522210046559530213, −1.50798537152368882588814373343, 1.50798537152368882588814373343, 2.62233033257522210046559530213, 3.89046750453116338353014311196, 5.03856124527433249174894736338, 6.06997282501662098824886849744, 6.91666929474613726367436300689, 8.166047761688637687090227543209, 8.643952701675766415492574439921, 9.768998369578198086360697721326, 10.24733695220424559147521672427

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