Properties

Label 2-12e3-1.1-c1-0-25
Degree $2$
Conductor $1728$
Sign $-1$
Analytic cond. $13.7981$
Root an. cond. $3.71458$
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  + 5-s − 3·7-s + 5·11-s − 4·13-s − 8·17-s + 2·19-s − 2·23-s − 4·25-s − 6·29-s + 7·31-s − 3·35-s + 6·37-s − 6·41-s − 2·43-s − 6·47-s + 2·49-s − 5·53-s + 5·55-s − 4·59-s + 8·61-s − 4·65-s − 10·67-s + 8·71-s + 73-s − 15·77-s − 16·79-s − 11·83-s + ⋯
L(s)  = 1  + 0.447·5-s − 1.13·7-s + 1.50·11-s − 1.10·13-s − 1.94·17-s + 0.458·19-s − 0.417·23-s − 4/5·25-s − 1.11·29-s + 1.25·31-s − 0.507·35-s + 0.986·37-s − 0.937·41-s − 0.304·43-s − 0.875·47-s + 2/7·49-s − 0.686·53-s + 0.674·55-s − 0.520·59-s + 1.02·61-s − 0.496·65-s − 1.22·67-s + 0.949·71-s + 0.117·73-s − 1.70·77-s − 1.80·79-s − 1.20·83-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1728 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1728 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1728\)    =    \(2^{6} \cdot 3^{3}\)
Sign: $-1$
Analytic conductor: \(13.7981\)
Root analytic conductor: \(3.71458\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 1728,\ (\ :1/2),\ -1)\)

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 \( 1 \)
good5 \( 1 - T + p T^{2} \)
7 \( 1 + 3 T + p T^{2} \)
11 \( 1 - 5 T + p T^{2} \)
13 \( 1 + 4 T + p T^{2} \)
17 \( 1 + 8 T + p T^{2} \)
19 \( 1 - 2 T + p T^{2} \)
23 \( 1 + 2 T + p T^{2} \)
29 \( 1 + 6 T + p T^{2} \)
31 \( 1 - 7 T + p T^{2} \)
37 \( 1 - 6 T + p T^{2} \)
41 \( 1 + 6 T + p T^{2} \)
43 \( 1 + 2 T + p T^{2} \)
47 \( 1 + 6 T + p T^{2} \)
53 \( 1 + 5 T + p T^{2} \)
59 \( 1 + 4 T + p T^{2} \)
61 \( 1 - 8 T + p T^{2} \)
67 \( 1 + 10 T + p T^{2} \)
71 \( 1 - 8 T + p T^{2} \)
73 \( 1 - T + p T^{2} \)
79 \( 1 + 16 T + p T^{2} \)
83 \( 1 + 11 T + p T^{2} \)
89 \( 1 - 6 T + p T^{2} \)
97 \( 1 + T + p T^{2} \)
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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

−9.262617565466732478169009238742, −8.224236138838626236588097788287, −7.05717799238262722068269243873, −6.55960464539303925130968330201, −5.90728495331563131351841280691, −4.67787935460078313498836162326, −3.89814181993739315556342397740, −2.80179600302493653223083598111, −1.76559844837423464517024482336, 0, 1.76559844837423464517024482336, 2.80179600302493653223083598111, 3.89814181993739315556342397740, 4.67787935460078313498836162326, 5.90728495331563131351841280691, 6.55960464539303925130968330201, 7.05717799238262722068269243873, 8.224236138838626236588097788287, 9.262617565466732478169009238742

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