Properties

Label 2-1680-1.1-c1-0-23
Degree $2$
Conductor $1680$
Sign $-1$
Analytic cond. $13.4148$
Root an. cond. $3.66263$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

Related objects

Downloads

Learn more

Normalization:  

Dirichlet series

L(s)  = 1  + 3-s + 5-s − 7-s + 9-s − 4·11-s − 2·13-s + 15-s − 6·17-s − 4·19-s − 21-s − 8·23-s + 25-s + 27-s − 2·29-s − 4·33-s − 35-s − 2·37-s − 2·39-s + 10·41-s − 4·43-s + 45-s + 49-s − 6·51-s + 14·53-s − 4·55-s − 4·57-s − 12·59-s + ⋯
L(s)  = 1  + 0.577·3-s + 0.447·5-s − 0.377·7-s + 1/3·9-s − 1.20·11-s − 0.554·13-s + 0.258·15-s − 1.45·17-s − 0.917·19-s − 0.218·21-s − 1.66·23-s + 1/5·25-s + 0.192·27-s − 0.371·29-s − 0.696·33-s − 0.169·35-s − 0.328·37-s − 0.320·39-s + 1.56·41-s − 0.609·43-s + 0.149·45-s + 1/7·49-s − 0.840·51-s + 1.92·53-s − 0.539·55-s − 0.529·57-s − 1.56·59-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1680 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1680 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1680\)    =    \(2^{4} \cdot 3 \cdot 5 \cdot 7\)
Sign: $-1$
Analytic conductor: \(13.4148\)
Root analytic conductor: \(3.66263\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 1680,\ (\ :1/2),\ -1)\)

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 \( 1 - T \)
5 \( 1 - T \)
7 \( 1 + T \)
good11 \( 1 + 4 T + p T^{2} \)
13 \( 1 + 2 T + p T^{2} \)
17 \( 1 + 6 T + p T^{2} \)
19 \( 1 + 4 T + p T^{2} \)
23 \( 1 + 8 T + p T^{2} \)
29 \( 1 + 2 T + p T^{2} \)
31 \( 1 + p T^{2} \)
37 \( 1 + 2 T + p T^{2} \)
41 \( 1 - 10 T + p T^{2} \)
43 \( 1 + 4 T + p T^{2} \)
47 \( 1 + p T^{2} \)
53 \( 1 - 14 T + p T^{2} \)
59 \( 1 + 12 T + p T^{2} \)
61 \( 1 + 2 T + p T^{2} \)
67 \( 1 - 4 T + p T^{2} \)
71 \( 1 + p T^{2} \)
73 \( 1 - 2 T + p T^{2} \)
79 \( 1 - 8 T + p T^{2} \)
83 \( 1 - 4 T + p T^{2} \)
89 \( 1 + 6 T + p T^{2} \)
97 \( 1 + 6 T + p T^{2} \)
show more
show less
   \(L(s) = \displaystyle\prod_p \ \prod_{j=1}^{2} (1 - \alpha_{j,p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−8.964786967542226553990589068797, −8.206816494848926195609908414394, −7.46071441596256925655583298113, −6.55399329475907288841309224785, −5.76643820383698386600912316529, −4.72479913316133818600000452986, −3.88939639504685688608467545712, −2.57651711370267584686013143700, −2.09203075995425388588060651940, 0, 2.09203075995425388588060651940, 2.57651711370267584686013143700, 3.88939639504685688608467545712, 4.72479913316133818600000452986, 5.76643820383698386600912316529, 6.55399329475907288841309224785, 7.46071441596256925655583298113, 8.206816494848926195609908414394, 8.964786967542226553990589068797

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