Properties

Label 2-1380-1.1-c3-0-17
Degree $2$
Conductor $1380$
Sign $1$
Analytic cond. $81.4226$
Root an. cond. $9.02344$
Motivic weight $3$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 3·3-s + 5·5-s + 22.0·7-s + 9·9-s − 51.4·11-s − 26.6·13-s + 15·15-s − 31.2·17-s + 134.·19-s + 66.2·21-s + 23·23-s + 25·25-s + 27·27-s − 300.·29-s + 300.·31-s − 154.·33-s + 110.·35-s + 150.·37-s − 80.0·39-s + 120.·41-s + 365.·43-s + 45·45-s + 90.3·47-s + 144.·49-s − 93.6·51-s + 487.·53-s − 257.·55-s + ⋯
L(s)  = 1  + 0.577·3-s + 0.447·5-s + 1.19·7-s + 0.333·9-s − 1.41·11-s − 0.569·13-s + 0.258·15-s − 0.445·17-s + 1.62·19-s + 0.688·21-s + 0.208·23-s + 0.200·25-s + 0.192·27-s − 1.92·29-s + 1.74·31-s − 0.814·33-s + 0.533·35-s + 0.669·37-s − 0.328·39-s + 0.459·41-s + 1.29·43-s + 0.149·45-s + 0.280·47-s + 0.421·49-s − 0.257·51-s + 1.26·53-s − 0.631·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1380 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1380 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1380\)    =    \(2^{2} \cdot 3 \cdot 5 \cdot 23\)
Sign: $1$
Analytic conductor: \(81.4226\)
Root analytic conductor: \(9.02344\)
Motivic weight: \(3\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1380,\ (\ :3/2),\ 1)\)

Particular Values

\(L(2)\) \(\approx\) \(3.297363546\)
\(L(\frac12)\) \(\approx\) \(3.297363546\)
\(L(\frac{5}{2})\) 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 \( 1 - 3T \)
5 \( 1 - 5T \)
23 \( 1 - 23T \)
good7 \( 1 - 22.0T + 343T^{2} \)
11 \( 1 + 51.4T + 1.33e3T^{2} \)
13 \( 1 + 26.6T + 2.19e3T^{2} \)
17 \( 1 + 31.2T + 4.91e3T^{2} \)
19 \( 1 - 134.T + 6.85e3T^{2} \)
29 \( 1 + 300.T + 2.43e4T^{2} \)
31 \( 1 - 300.T + 2.97e4T^{2} \)
37 \( 1 - 150.T + 5.06e4T^{2} \)
41 \( 1 - 120.T + 6.89e4T^{2} \)
43 \( 1 - 365.T + 7.95e4T^{2} \)
47 \( 1 - 90.3T + 1.03e5T^{2} \)
53 \( 1 - 487.T + 1.48e5T^{2} \)
59 \( 1 - 609.T + 2.05e5T^{2} \)
61 \( 1 - 9.06T + 2.26e5T^{2} \)
67 \( 1 - 392.T + 3.00e5T^{2} \)
71 \( 1 - 58.1T + 3.57e5T^{2} \)
73 \( 1 - 1.02e3T + 3.89e5T^{2} \)
79 \( 1 + 611.T + 4.93e5T^{2} \)
83 \( 1 + 170.T + 5.71e5T^{2} \)
89 \( 1 - 1.35e3T + 7.04e5T^{2} \)
97 \( 1 + 1.48e3T + 9.12e5T^{2} \)
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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

−9.290058747529421544566144419043, −8.223601401709342072141433510130, −7.74563282752575470381081730995, −7.04552932630349166764606594043, −5.59152078337101181923281938400, −5.13166141644942637300321759821, −4.14265790697619159021986433520, −2.78742443648080130269788392498, −2.15614797659674967454649826811, −0.897093793225803427819721270646, 0.897093793225803427819721270646, 2.15614797659674967454649826811, 2.78742443648080130269788392498, 4.14265790697619159021986433520, 5.13166141644942637300321759821, 5.59152078337101181923281938400, 7.04552932630349166764606594043, 7.74563282752575470381081730995, 8.223601401709342072141433510130, 9.290058747529421544566144419043

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