Properties

Label 2-672-1.1-c1-0-10
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 $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 3-s − 4·5-s + 7-s + 9-s − 2·11-s − 2·13-s − 4·15-s − 4·19-s + 21-s − 6·23-s + 11·25-s + 27-s − 10·29-s − 8·31-s − 2·33-s − 4·35-s + 10·37-s − 2·39-s − 4·41-s − 8·43-s − 4·45-s − 4·47-s + 49-s + 10·53-s + 8·55-s − 4·57-s + 8·59-s + ⋯
L(s)  = 1  + 0.577·3-s − 1.78·5-s + 0.377·7-s + 1/3·9-s − 0.603·11-s − 0.554·13-s − 1.03·15-s − 0.917·19-s + 0.218·21-s − 1.25·23-s + 11/5·25-s + 0.192·27-s − 1.85·29-s − 1.43·31-s − 0.348·33-s − 0.676·35-s + 1.64·37-s − 0.320·39-s − 0.624·41-s − 1.21·43-s − 0.596·45-s − 0.583·47-s + 1/7·49-s + 1.37·53-s + 1.07·55-s − 0.529·57-s + 1.04·59-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: \(1\)
Selberg data: \((2,\ 672,\ (\ :1/2),\ -1)\)

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 \( 1 \)
3 \( 1 - T \)
7 \( 1 - T \)
good5 \( 1 + 4 T + p T^{2} \)
11 \( 1 + 2 T + p T^{2} \)
13 \( 1 + 2 T + p T^{2} \)
17 \( 1 + p T^{2} \)
19 \( 1 + 4 T + p T^{2} \)
23 \( 1 + 6 T + p T^{2} \)
29 \( 1 + 10 T + p T^{2} \)
31 \( 1 + 8 T + p T^{2} \)
37 \( 1 - 10 T + p T^{2} \)
41 \( 1 + 4 T + p T^{2} \)
43 \( 1 + 8 T + p T^{2} \)
47 \( 1 + 4 T + p T^{2} \)
53 \( 1 - 10 T + p T^{2} \)
59 \( 1 - 8 T + p T^{2} \)
61 \( 1 + 6 T + p T^{2} \)
67 \( 1 - 4 T + p T^{2} \)
71 \( 1 - 14 T + p T^{2} \)
73 \( 1 - 6 T + p T^{2} \)
79 \( 1 - 4 T + p T^{2} \)
83 \( 1 + 12 T + p T^{2} \)
89 \( 1 - 4 T + p T^{2} \)
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

−10.11222933407131620152148251461, −9.016474375521408712679261706335, −8.050306287517390944376390946650, −7.77278723062985727351711147882, −6.85036368281080789512161503853, −5.31505211056085532901675130626, −4.21546713870310250114993857360, −3.58625452137859596295479508108, −2.19264027338821122800426191253, 0, 2.19264027338821122800426191253, 3.58625452137859596295479508108, 4.21546713870310250114993857360, 5.31505211056085532901675130626, 6.85036368281080789512161503853, 7.77278723062985727351711147882, 8.050306287517390944376390946650, 9.016474375521408712679261706335, 10.11222933407131620152148251461

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