Properties

Label 2-7440-1.1-c1-0-55
Degree $2$
Conductor $7440$
Sign $1$
Analytic cond. $59.4086$
Root an. cond. $7.70770$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 3-s − 5-s + 2·7-s + 9-s + 4·13-s − 15-s + 6·17-s + 2·21-s + 25-s + 27-s + 8·29-s + 31-s − 2·35-s + 4·37-s + 4·39-s + 10·41-s − 8·43-s − 45-s + 4·47-s − 3·49-s + 6·51-s − 14·53-s − 14·59-s − 6·61-s + 2·63-s − 4·65-s + 10·67-s + ⋯
L(s)  = 1  + 0.577·3-s − 0.447·5-s + 0.755·7-s + 1/3·9-s + 1.10·13-s − 0.258·15-s + 1.45·17-s + 0.436·21-s + 1/5·25-s + 0.192·27-s + 1.48·29-s + 0.179·31-s − 0.338·35-s + 0.657·37-s + 0.640·39-s + 1.56·41-s − 1.21·43-s − 0.149·45-s + 0.583·47-s − 3/7·49-s + 0.840·51-s − 1.92·53-s − 1.82·59-s − 0.768·61-s + 0.251·63-s − 0.496·65-s + 1.22·67-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 7440 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 7440 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(7440\)    =    \(2^{4} \cdot 3 \cdot 5 \cdot 31\)
Sign: $1$
Analytic conductor: \(59.4086\)
Root analytic conductor: \(7.70770\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 7440,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(3.125723720\)
\(L(\frac12)\) \(\approx\) \(3.125723720\)
\(L(\frac{3}{2})\) 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 \( 1 + T \)
31 \( 1 - T \)
good7 \( 1 - 2 T + p T^{2} \)
11 \( 1 + p T^{2} \)
13 \( 1 - 4 T + p T^{2} \)
17 \( 1 - 6 T + p T^{2} \)
19 \( 1 + p T^{2} \)
23 \( 1 + p T^{2} \)
29 \( 1 - 8 T + p T^{2} \)
37 \( 1 - 4 T + p T^{2} \)
41 \( 1 - 10 T + p T^{2} \)
43 \( 1 + 8 T + p T^{2} \)
47 \( 1 - 4 T + p T^{2} \)
53 \( 1 + 14 T + p T^{2} \)
59 \( 1 + 14 T + p T^{2} \)
61 \( 1 + 6 T + p T^{2} \)
67 \( 1 - 10 T + p T^{2} \)
71 \( 1 + 6 T + p T^{2} \)
73 \( 1 + 8 T + p T^{2} \)
79 \( 1 + 8 T + p T^{2} \)
83 \( 1 - 12 T + p T^{2} \)
89 \( 1 - 16 T + p T^{2} \)
97 \( 1 + 10 T + p T^{2} \)
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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

−7.929051861249934832356481311560, −7.51756058099746396838226247290, −6.46193266592321770928633568410, −5.90043500550419334803503618108, −4.87649587064915316027668833442, −4.35753299899360647882796770062, −3.41546735722577944204540536846, −2.90951403003388796725691476457, −1.66543491238490246529369513531, −0.946664700471127729645202728930, 0.946664700471127729645202728930, 1.66543491238490246529369513531, 2.90951403003388796725691476457, 3.41546735722577944204540536846, 4.35753299899360647882796770062, 4.87649587064915316027668833442, 5.90043500550419334803503618108, 6.46193266592321770928633568410, 7.51756058099746396838226247290, 7.929051861249934832356481311560

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