Properties

Label 2-28880-1.1-c1-0-1
Degree $2$
Conductor $28880$
Sign $1$
Analytic cond. $230.607$
Root an. cond. $15.1857$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2·3-s − 5-s + 9-s − 5·11-s + 2·13-s + 2·15-s − 2·17-s + 4·23-s + 25-s + 4·27-s − 9·29-s − 5·31-s + 10·33-s + 4·37-s − 4·39-s − 10·41-s + 8·43-s − 45-s + 2·47-s − 7·49-s + 4·51-s − 6·53-s + 5·55-s + 7·59-s − 7·61-s − 2·65-s − 14·67-s + ⋯
L(s)  = 1  − 1.15·3-s − 0.447·5-s + 1/3·9-s − 1.50·11-s + 0.554·13-s + 0.516·15-s − 0.485·17-s + 0.834·23-s + 1/5·25-s + 0.769·27-s − 1.67·29-s − 0.898·31-s + 1.74·33-s + 0.657·37-s − 0.640·39-s − 1.56·41-s + 1.21·43-s − 0.149·45-s + 0.291·47-s − 49-s + 0.560·51-s − 0.824·53-s + 0.674·55-s + 0.911·59-s − 0.896·61-s − 0.248·65-s − 1.71·67-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 28880 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 28880 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(28880\)    =    \(2^{4} \cdot 5 \cdot 19^{2}\)
Sign: $1$
Analytic conductor: \(230.607\)
Root analytic conductor: \(15.1857\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 28880,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(0.2402297254\)
\(L(\frac12)\) \(\approx\) \(0.2402297254\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
5 \( 1 + T \)
19 \( 1 \)
good3 \( 1 + 2 T + p T^{2} \)
7 \( 1 + p T^{2} \)
11 \( 1 + 5 T + p T^{2} \)
13 \( 1 - 2 T + p T^{2} \)
17 \( 1 + 2 T + p T^{2} \)
23 \( 1 - 4 T + p T^{2} \)
29 \( 1 + 9 T + p T^{2} \)
31 \( 1 + 5 T + p T^{2} \)
37 \( 1 - 4 T + p T^{2} \)
41 \( 1 + 10 T + p T^{2} \)
43 \( 1 - 8 T + p T^{2} \)
47 \( 1 - 2 T + p T^{2} \)
53 \( 1 + 6 T + p T^{2} \)
59 \( 1 - 7 T + p T^{2} \)
61 \( 1 + 7 T + p T^{2} \)
67 \( 1 + 14 T + p T^{2} \)
71 \( 1 - 7 T + p T^{2} \)
73 \( 1 + p T^{2} \)
79 \( 1 + T + p T^{2} \)
83 \( 1 + 4 T + p T^{2} \)
89 \( 1 + 9 T + p T^{2} \)
97 \( 1 - 16 T + p T^{2} \)
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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

−15.37426505376677, −14.78885916285860, −14.13975511668146, −13.33885093018338, −12.92843809567932, −12.66542069968950, −11.82084785526342, −11.32428866004763, −10.97354453175376, −10.59921457409179, −9.962213394220181, −9.137746652158870, −8.682496168036965, −7.902948130821965, −7.454169561742373, −6.864072917678048, −6.091239902653983, −5.673464028189557, −5.042944829259831, −4.638319718903017, −3.718676384925135, −3.071625927084915, −2.251903512087860, −1.285713445724446, −0.2128945391713597, 0.2128945391713597, 1.285713445724446, 2.251903512087860, 3.071625927084915, 3.718676384925135, 4.638319718903017, 5.042944829259831, 5.673464028189557, 6.091239902653983, 6.864072917678048, 7.454169561742373, 7.902948130821965, 8.682496168036965, 9.137746652158870, 9.962213394220181, 10.59921457409179, 10.97354453175376, 11.32428866004763, 11.82084785526342, 12.66542069968950, 12.92843809567932, 13.33885093018338, 14.13975511668146, 14.78885916285860, 15.37426505376677

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