Properties

Label 2-672-21.20-c1-0-30
Degree $2$
Conductor $672$
Sign $i$
Analytic cond. $5.36594$
Root an. cond. $2.31645$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 1.73i·3-s + 4.37·5-s − 2.64i·7-s − 2.99·9-s − 3.58i·11-s − 7.58i·15-s − 2.55·17-s + 5.29i·19-s − 4.58·21-s + 0.417i·23-s + 14.1·25-s + 5.19i·27-s + 3.46i·31-s − 6.20·33-s − 11.5i·35-s + ⋯
L(s)  = 1  − 0.999i·3-s + 1.95·5-s − 0.999i·7-s − 0.999·9-s − 1.08i·11-s − 1.95i·15-s − 0.618·17-s + 1.21i·19-s − 0.999·21-s + 0.0870i·23-s + 2.83·25-s + 0.999i·27-s + 0.622i·31-s − 1.08·33-s − 1.95i·35-s + ⋯

Functional equation

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

Invariants

Degree: \(2\)
Conductor: \(672\)    =    \(2^{5} \cdot 3 \cdot 7\)
Sign: $i$
Analytic conductor: \(5.36594\)
Root analytic conductor: \(2.31645\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{672} (545, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 672,\ (\ :1/2),\ i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.38633 - 1.38633i\)
\(L(\frac12)\) \(\approx\) \(1.38633 - 1.38633i\)
\(L(\frac{3}{2})\) 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 \( 1 + 1.73iT \)
7 \( 1 + 2.64iT \)
good5 \( 1 - 4.37T + 5T^{2} \)
11 \( 1 + 3.58iT - 11T^{2} \)
13 \( 1 - 13T^{2} \)
17 \( 1 + 2.55T + 17T^{2} \)
19 \( 1 - 5.29iT - 19T^{2} \)
23 \( 1 - 0.417iT - 23T^{2} \)
29 \( 1 - 29T^{2} \)
31 \( 1 - 3.46iT - 31T^{2} \)
37 \( 1 + 9.16T + 37T^{2} \)
41 \( 1 - 11.3T + 41T^{2} \)
43 \( 1 + 43T^{2} \)
47 \( 1 + 47T^{2} \)
53 \( 1 - 53T^{2} \)
59 \( 1 + 59T^{2} \)
61 \( 1 - 61T^{2} \)
67 \( 1 + 67T^{2} \)
71 \( 1 + 15.5iT - 71T^{2} \)
73 \( 1 - 73T^{2} \)
79 \( 1 + 79T^{2} \)
83 \( 1 + 83T^{2} \)
89 \( 1 - 14.9T + 89T^{2} \)
97 \( 1 - 97T^{2} \)
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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

−10.46713436428088052138502185223, −9.362893880337679950259420543162, −8.618577893810968009436798576914, −7.55603708101471493084271252287, −6.51081619210080034566811347873, −6.04901074155748437199257728809, −5.12205408001173349958463765746, −3.37973695673668757480552524471, −2.12453580861952486796448052438, −1.11857736872093081676544675762, 2.07502265437936819412105566243, 2.75565937701162677545875938018, 4.53871779734137336448874358864, 5.29075387614880487917229469963, 6.00675820408880898632170995411, 6.93388133771300652399431487372, 8.625548628709971614708251151045, 9.252203489606173559799210337401, 9.695857530439896998132700490773, 10.50095642638359302719529106217

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