Properties

Label 2-38640-1.1-c1-0-28
Degree $2$
Conductor $38640$
Sign $-1$
Analytic cond. $308.541$
Root an. cond. $17.5653$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

Downloads

Learn more

Normalization:  

Dirichlet series

L(s)  = 1  − 3-s − 5-s − 7-s + 9-s − 6·13-s + 15-s − 2·17-s − 4·19-s + 21-s + 23-s + 25-s − 27-s + 6·29-s − 4·31-s + 35-s + 2·37-s + 6·39-s + 10·41-s − 8·43-s − 45-s − 4·47-s + 49-s + 2·51-s + 10·53-s + 4·57-s − 4·59-s + 2·61-s + ⋯
L(s)  = 1  − 0.577·3-s − 0.447·5-s − 0.377·7-s + 1/3·9-s − 1.66·13-s + 0.258·15-s − 0.485·17-s − 0.917·19-s + 0.218·21-s + 0.208·23-s + 1/5·25-s − 0.192·27-s + 1.11·29-s − 0.718·31-s + 0.169·35-s + 0.328·37-s + 0.960·39-s + 1.56·41-s − 1.21·43-s − 0.149·45-s − 0.583·47-s + 1/7·49-s + 0.280·51-s + 1.37·53-s + 0.529·57-s − 0.520·59-s + 0.256·61-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 38640 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 38640 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(38640\)    =    \(2^{4} \cdot 3 \cdot 5 \cdot 7 \cdot 23\)
Sign: $-1$
Analytic conductor: \(308.541\)
Root analytic conductor: \(17.5653\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 38640,\ (\ :1/2),\ -1)\)

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 \( 1 + T \)
23 \( 1 - T \)
good11 \( 1 + p T^{2} \)
13 \( 1 + 6 T + p T^{2} \)
17 \( 1 + 2 T + p T^{2} \)
19 \( 1 + 4 T + p T^{2} \)
29 \( 1 - 6 T + p T^{2} \)
31 \( 1 + 4 T + p T^{2} \)
37 \( 1 - 2 T + p T^{2} \)
41 \( 1 - 10 T + p T^{2} \)
43 \( 1 + 8 T + p T^{2} \)
47 \( 1 + 4 T + p T^{2} \)
53 \( 1 - 10 T + p T^{2} \)
59 \( 1 + 4 T + p T^{2} \)
61 \( 1 - 2 T + p T^{2} \)
67 \( 1 + 8 T + p T^{2} \)
71 \( 1 + p T^{2} \)
73 \( 1 + 14 T + p T^{2} \)
79 \( 1 + 8 T + p T^{2} \)
83 \( 1 - 12 T + p T^{2} \)
89 \( 1 - 14 T + p T^{2} \)
97 \( 1 + 2 T + p T^{2} \)
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

−14.92688728684563, −14.76980068591040, −14.17833263717739, −13.28266191044522, −12.96816375246182, −12.45678725938908, −11.88879143734239, −11.59117138115106, −10.86603456557383, −10.25609502045708, −10.05741643285364, −9.139318442774472, −8.868391809978921, −7.992674296619199, −7.465059517455510, −6.992024934702175, −6.409063730375024, −5.867064024993047, −5.041686680635383, −4.614963443904834, −4.109919610177957, −3.216390286910926, −2.544898668574989, −1.882040258759358, −0.7191116070452875, 0, 0.7191116070452875, 1.882040258759358, 2.544898668574989, 3.216390286910926, 4.109919610177957, 4.614963443904834, 5.041686680635383, 5.867064024993047, 6.409063730375024, 6.992024934702175, 7.465059517455510, 7.992674296619199, 8.868391809978921, 9.139318442774472, 10.05741643285364, 10.25609502045708, 10.86603456557383, 11.59117138115106, 11.88879143734239, 12.45678725938908, 12.96816375246182, 13.28266191044522, 14.17833263717739, 14.76980068591040, 14.92688728684563

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