Properties

Label 2-7440-1.1-c1-0-33
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 − 2.56·7-s + 9-s − 2.56·11-s + 2·13-s + 15-s − 3.12·17-s + 7.68·19-s − 2.56·21-s − 1.43·23-s + 25-s + 27-s + 7.12·29-s − 31-s − 2.56·33-s − 2.56·35-s − 3.12·37-s + 2·39-s + 7.12·41-s − 12.8·43-s + 45-s − 5.12·47-s − 0.438·49-s − 3.12·51-s + 7.43·53-s − 2.56·55-s + ⋯
L(s)  = 1  + 0.577·3-s + 0.447·5-s − 0.968·7-s + 0.333·9-s − 0.772·11-s + 0.554·13-s + 0.258·15-s − 0.757·17-s + 1.76·19-s − 0.558·21-s − 0.299·23-s + 0.200·25-s + 0.192·27-s + 1.32·29-s − 0.179·31-s − 0.445·33-s − 0.432·35-s − 0.513·37-s + 0.320·39-s + 1.11·41-s − 1.95·43-s + 0.149·45-s − 0.747·47-s − 0.0626·49-s − 0.437·51-s + 1.02·53-s − 0.345·55-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

\(L(1)\) \(\approx\) \(2.371175850\)
\(L(\frac12)\) \(\approx\) \(2.371175850\)
\(L(\frac{3}{2})\) 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 \( 1 + 2.56T + 7T^{2} \)
11 \( 1 + 2.56T + 11T^{2} \)
13 \( 1 - 2T + 13T^{2} \)
17 \( 1 + 3.12T + 17T^{2} \)
19 \( 1 - 7.68T + 19T^{2} \)
23 \( 1 + 1.43T + 23T^{2} \)
29 \( 1 - 7.12T + 29T^{2} \)
37 \( 1 + 3.12T + 37T^{2} \)
41 \( 1 - 7.12T + 41T^{2} \)
43 \( 1 + 12.8T + 43T^{2} \)
47 \( 1 + 5.12T + 47T^{2} \)
53 \( 1 - 7.43T + 53T^{2} \)
59 \( 1 - 13.1T + 59T^{2} \)
61 \( 1 - 6T + 61T^{2} \)
67 \( 1 - 15.3T + 67T^{2} \)
71 \( 1 - 7.68T + 71T^{2} \)
73 \( 1 + 10.8T + 73T^{2} \)
79 \( 1 - 4.31T + 79T^{2} \)
83 \( 1 + 14.2T + 83T^{2} \)
89 \( 1 + 13.6T + 89T^{2} \)
97 \( 1 + 6T + 97T^{2} \)
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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

−8.102653435309411881512184918512, −6.91842935713703258578292829214, −6.81661461447846374973625135662, −5.72538473438087726042693027649, −5.20995794693537539466641240697, −4.22106588411592074670113032366, −3.31749572217411944440369375061, −2.84662738754063065505000345860, −1.92370384464123265147536759049, −0.74490729290079258126477942500, 0.74490729290079258126477942500, 1.92370384464123265147536759049, 2.84662738754063065505000345860, 3.31749572217411944440369375061, 4.22106588411592074670113032366, 5.20995794693537539466641240697, 5.72538473438087726042693027649, 6.81661461447846374973625135662, 6.91842935713703258578292829214, 8.102653435309411881512184918512

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