Properties

Label 2-2640-1.1-c1-0-37
Degree $2$
Conductor $2640$
Sign $-1$
Analytic cond. $21.0805$
Root an. cond. $4.59135$
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 − 5-s + 2·7-s + 9-s + 11-s − 4·13-s − 15-s − 4·17-s − 8·19-s + 2·21-s − 4·23-s + 25-s + 27-s + 2·29-s − 8·31-s + 33-s − 2·35-s − 2·37-s − 4·39-s − 2·41-s + 6·43-s − 45-s − 12·47-s − 3·49-s − 4·51-s + 6·53-s − 55-s + ⋯
L(s)  = 1  + 0.577·3-s − 0.447·5-s + 0.755·7-s + 1/3·9-s + 0.301·11-s − 1.10·13-s − 0.258·15-s − 0.970·17-s − 1.83·19-s + 0.436·21-s − 0.834·23-s + 1/5·25-s + 0.192·27-s + 0.371·29-s − 1.43·31-s + 0.174·33-s − 0.338·35-s − 0.328·37-s − 0.640·39-s − 0.312·41-s + 0.914·43-s − 0.149·45-s − 1.75·47-s − 3/7·49-s − 0.560·51-s + 0.824·53-s − 0.134·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 2640 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 2640 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(2640\)    =    \(2^{4} \cdot 3 \cdot 5 \cdot 11\)
Sign: $-1$
Analytic conductor: \(21.0805\)
Root analytic conductor: \(4.59135\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 2640,\ (\ :1/2),\ -1)\)

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)$Isogeny Class over $\mathbf{F}_p$
bad2 \( 1 \)
3 \( 1 - T \)
5 \( 1 + T \)
11 \( 1 - T \)
good7 \( 1 - 2 T + p T^{2} \) 1.7.ac
13 \( 1 + 4 T + p T^{2} \) 1.13.e
17 \( 1 + 4 T + p T^{2} \) 1.17.e
19 \( 1 + 8 T + p T^{2} \) 1.19.i
23 \( 1 + 4 T + p T^{2} \) 1.23.e
29 \( 1 - 2 T + p T^{2} \) 1.29.ac
31 \( 1 + 8 T + p T^{2} \) 1.31.i
37 \( 1 + 2 T + p T^{2} \) 1.37.c
41 \( 1 + 2 T + p T^{2} \) 1.41.c
43 \( 1 - 6 T + p T^{2} \) 1.43.ag
47 \( 1 + 12 T + p T^{2} \) 1.47.m
53 \( 1 - 6 T + p T^{2} \) 1.53.ag
59 \( 1 - 12 T + p T^{2} \) 1.59.am
61 \( 1 - 10 T + p T^{2} \) 1.61.ak
67 \( 1 + 16 T + p T^{2} \) 1.67.q
71 \( 1 + p T^{2} \) 1.71.a
73 \( 1 - 4 T + p T^{2} \) 1.73.ae
79 \( 1 + 12 T + p T^{2} \) 1.79.m
83 \( 1 - 6 T + p T^{2} \) 1.83.ag
89 \( 1 - 6 T + p T^{2} \) 1.89.ag
97 \( 1 - 14 T + p T^{2} \) 1.97.ao
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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

−8.515961252351078582063204366934, −7.81500633151318031543657940698, −7.07064995384853568376298678938, −6.34981381293761310343922507330, −5.14535053117062769285070670097, −4.40095938405962012615022455697, −3.78314109950025435049517073259, −2.46330191638784768361222556222, −1.81796847367624238360754427436, 0, 1.81796847367624238360754427436, 2.46330191638784768361222556222, 3.78314109950025435049517073259, 4.40095938405962012615022455697, 5.14535053117062769285070670097, 6.34981381293761310343922507330, 7.07064995384853568376298678938, 7.81500633151318031543657940698, 8.515961252351078582063204366934

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