Properties

Label 2-7440-1.1-c1-0-30
Degree $2$
Conductor $7440$
Sign $1$
Analytic cond. $59.4086$
Root an. cond. $7.70770$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 3-s − 5-s − 1.80·7-s + 9-s + 5.02·11-s + 1.80·13-s − 15-s − 3.32·17-s − 6.64·19-s − 1.80·21-s + 3.32·23-s + 25-s + 27-s + 6.54·29-s + 31-s + 5.02·33-s + 1.80·35-s + 10.2·37-s + 1.80·39-s − 7.02·41-s + 3.67·43-s − 45-s − 10.9·47-s − 3.73·49-s − 3.32·51-s + 1.65·53-s − 5.02·55-s + ⋯
L(s)  = 1  + 0.577·3-s − 0.447·5-s − 0.682·7-s + 0.333·9-s + 1.51·11-s + 0.501·13-s − 0.258·15-s − 0.805·17-s − 1.52·19-s − 0.394·21-s + 0.692·23-s + 0.200·25-s + 0.192·27-s + 1.21·29-s + 0.179·31-s + 0.875·33-s + 0.305·35-s + 1.68·37-s + 0.289·39-s − 1.09·41-s + 0.559·43-s − 0.149·45-s − 1.60·47-s − 0.533·49-s − 0.465·51-s + 0.226·53-s − 0.678·55-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: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 7440,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(2.253067161\)
\(L(\frac12)\) \(\approx\) \(2.253067161\)
\(L(\frac{3}{2})\) 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 \( 1 + 1.80T + 7T^{2} \)
11 \( 1 - 5.02T + 11T^{2} \)
13 \( 1 - 1.80T + 13T^{2} \)
17 \( 1 + 3.32T + 17T^{2} \)
19 \( 1 + 6.64T + 19T^{2} \)
23 \( 1 - 3.32T + 23T^{2} \)
29 \( 1 - 6.54T + 29T^{2} \)
37 \( 1 - 10.2T + 37T^{2} \)
41 \( 1 + 7.02T + 41T^{2} \)
43 \( 1 - 3.67T + 43T^{2} \)
47 \( 1 + 10.9T + 47T^{2} \)
53 \( 1 - 1.65T + 53T^{2} \)
59 \( 1 - 8.54T + 59T^{2} \)
61 \( 1 - 6T + 61T^{2} \)
67 \( 1 - 2.44T + 67T^{2} \)
71 \( 1 + 16.2T + 71T^{2} \)
73 \( 1 - 7.80T + 73T^{2} \)
79 \( 1 - 7.96T + 79T^{2} \)
83 \( 1 + 13.3T + 83T^{2} \)
89 \( 1 - 15.1T + 89T^{2} \)
97 \( 1 - 3.80T + 97T^{2} \)
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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

−8.076865273444481139271379341107, −7.03828718849902434381234136435, −6.50746329164085266777259353477, −6.19706689748894889805216710145, −4.78386991215907635836972561612, −4.21584154010321863438948333421, −3.58607168136397941856338405122, −2.80899573263421474706684359032, −1.83308172709289703058280887016, −0.74186666919694817558768396944, 0.74186666919694817558768396944, 1.83308172709289703058280887016, 2.80899573263421474706684359032, 3.58607168136397941856338405122, 4.21584154010321863438948333421, 4.78386991215907635836972561612, 6.19706689748894889805216710145, 6.50746329164085266777259353477, 7.03828718849902434381234136435, 8.076865273444481139271379341107

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