Properties

Label 2-1380-1.1-c3-0-9
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 + 14.0·7-s + 9·9-s − 50.8·11-s + 38.0·13-s − 15·15-s − 2.85·17-s + 31.7·19-s − 42.0·21-s − 23·23-s + 25·25-s − 27·27-s + 258.·29-s − 165.·31-s + 152.·33-s + 70.1·35-s − 153.·37-s − 114.·39-s + 494.·41-s + 29.8·43-s + 45·45-s − 130.·47-s − 146.·49-s + 8.57·51-s + 177.·53-s − 254.·55-s + ⋯
L(s)  = 1  − 0.577·3-s + 0.447·5-s + 0.757·7-s + 0.333·9-s − 1.39·11-s + 0.811·13-s − 0.258·15-s − 0.0407·17-s + 0.383·19-s − 0.437·21-s − 0.208·23-s + 0.200·25-s − 0.192·27-s + 1.65·29-s − 0.957·31-s + 0.805·33-s + 0.338·35-s − 0.680·37-s − 0.468·39-s + 1.88·41-s + 0.105·43-s + 0.149·45-s − 0.405·47-s − 0.426·49-s + 0.0235·51-s + 0.461·53-s − 0.623·55-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

\(L(2)\) \(\approx\) \(1.957315795\)
\(L(\frac12)\) \(\approx\) \(1.957315795\)
\(L(\frac{5}{2})\) 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 \( 1 - 14.0T + 343T^{2} \)
11 \( 1 + 50.8T + 1.33e3T^{2} \)
13 \( 1 - 38.0T + 2.19e3T^{2} \)
17 \( 1 + 2.85T + 4.91e3T^{2} \)
19 \( 1 - 31.7T + 6.85e3T^{2} \)
29 \( 1 - 258.T + 2.43e4T^{2} \)
31 \( 1 + 165.T + 2.97e4T^{2} \)
37 \( 1 + 153.T + 5.06e4T^{2} \)
41 \( 1 - 494.T + 6.89e4T^{2} \)
43 \( 1 - 29.8T + 7.95e4T^{2} \)
47 \( 1 + 130.T + 1.03e5T^{2} \)
53 \( 1 - 177.T + 1.48e5T^{2} \)
59 \( 1 - 559.T + 2.05e5T^{2} \)
61 \( 1 + 508.T + 2.26e5T^{2} \)
67 \( 1 + 104.T + 3.00e5T^{2} \)
71 \( 1 + 44.3T + 3.57e5T^{2} \)
73 \( 1 - 190.T + 3.89e5T^{2} \)
79 \( 1 - 412.T + 4.93e5T^{2} \)
83 \( 1 + 147.T + 5.71e5T^{2} \)
89 \( 1 - 464.T + 7.04e5T^{2} \)
97 \( 1 + 279.T + 9.12e5T^{2} \)
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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

−9.231476621298779985828402151806, −8.298655074004048489297161375711, −7.67257932547405558898360254187, −6.67742732661564056951396036496, −5.73712024451791097129764676737, −5.17353725322476013537746603730, −4.28894800646861019317902321918, −2.96824186004345437786111571591, −1.86617988511706602459544623942, −0.72916615557712116441162657346, 0.72916615557712116441162657346, 1.86617988511706602459544623942, 2.96824186004345437786111571591, 4.28894800646861019317902321918, 5.17353725322476013537746603730, 5.73712024451791097129764676737, 6.67742732661564056951396036496, 7.67257932547405558898360254187, 8.298655074004048489297161375711, 9.231476621298779985828402151806

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