Properties

Label 2-1380-1.1-c3-0-32
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 $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 3·3-s − 5·5-s − 8.87·7-s + 9·9-s − 31.0·11-s + 8.98·13-s − 15·15-s + 45.3·17-s + 46.4·19-s − 26.6·21-s + 23·23-s + 25·25-s + 27·27-s + 184.·29-s − 31.1·31-s − 93.1·33-s + 44.3·35-s − 230.·37-s + 26.9·39-s − 145.·41-s + 445.·43-s − 45·45-s − 450.·47-s − 264.·49-s + 136.·51-s + 45.3·53-s + 155.·55-s + ⋯
L(s)  = 1  + 0.577·3-s − 0.447·5-s − 0.479·7-s + 0.333·9-s − 0.850·11-s + 0.191·13-s − 0.258·15-s + 0.647·17-s + 0.560·19-s − 0.276·21-s + 0.208·23-s + 0.200·25-s + 0.192·27-s + 1.17·29-s − 0.180·31-s − 0.491·33-s + 0.214·35-s − 1.02·37-s + 0.110·39-s − 0.555·41-s + 1.57·43-s − 0.149·45-s − 1.39·47-s − 0.770·49-s + 0.373·51-s + 0.117·53-s + 0.380·55-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: \(1\)
Selberg data: \((2,\ 1380,\ (\ :3/2),\ -1)\)

Particular Values

\(L(2)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{5}{2})\) 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 \( 1 + 8.87T + 343T^{2} \)
11 \( 1 + 31.0T + 1.33e3T^{2} \)
13 \( 1 - 8.98T + 2.19e3T^{2} \)
17 \( 1 - 45.3T + 4.91e3T^{2} \)
19 \( 1 - 46.4T + 6.85e3T^{2} \)
29 \( 1 - 184.T + 2.43e4T^{2} \)
31 \( 1 + 31.1T + 2.97e4T^{2} \)
37 \( 1 + 230.T + 5.06e4T^{2} \)
41 \( 1 + 145.T + 6.89e4T^{2} \)
43 \( 1 - 445.T + 7.95e4T^{2} \)
47 \( 1 + 450.T + 1.03e5T^{2} \)
53 \( 1 - 45.3T + 1.48e5T^{2} \)
59 \( 1 + 262.T + 2.05e5T^{2} \)
61 \( 1 + 694.T + 2.26e5T^{2} \)
67 \( 1 + 798.T + 3.00e5T^{2} \)
71 \( 1 - 400.T + 3.57e5T^{2} \)
73 \( 1 + 652.T + 3.89e5T^{2} \)
79 \( 1 - 38.2T + 4.93e5T^{2} \)
83 \( 1 - 316.T + 5.71e5T^{2} \)
89 \( 1 + 778.T + 7.04e5T^{2} \)
97 \( 1 + 1.58e3T + 9.12e5T^{2} \)
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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

−8.744303271803563674472443161703, −7.983112746587369726313307717459, −7.36278451747326128012518771263, −6.44025373425463254982577855734, −5.39596793073786343952149424181, −4.48642572882946448749173929088, −3.35964619954062763029043049024, −2.80275396464652530064440739473, −1.37333213063780606698227460867, 0, 1.37333213063780606698227460867, 2.80275396464652530064440739473, 3.35964619954062763029043049024, 4.48642572882946448749173929088, 5.39596793073786343952149424181, 6.44025373425463254982577855734, 7.36278451747326128012518771263, 7.983112746587369726313307717459, 8.744303271803563674472443161703

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