Properties

Label 2-240-1.1-c5-0-1
Degree $2$
Conductor $240$
Sign $1$
Analytic cond. $38.4921$
Root an. cond. $6.20420$
Motivic weight $5$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 9·3-s − 25·5-s − 12·7-s + 81·9-s − 112·11-s − 974·13-s + 225·15-s + 2.18e3·17-s − 1.42e3·19-s + 108·21-s − 3.21e3·23-s + 625·25-s − 729·27-s − 4.15e3·29-s + 5.68e3·31-s + 1.00e3·33-s + 300·35-s + 6.48e3·37-s + 8.76e3·39-s + 5.40e3·41-s + 2.17e4·43-s − 2.02e3·45-s + 368·47-s − 1.66e4·49-s − 1.96e4·51-s + 1.25e4·53-s + 2.80e3·55-s + ⋯
L(s)  = 1  − 0.577·3-s − 0.447·5-s − 0.0925·7-s + 1/3·9-s − 0.279·11-s − 1.59·13-s + 0.258·15-s + 1.83·17-s − 0.902·19-s + 0.0534·21-s − 1.26·23-s + 1/5·25-s − 0.192·27-s − 0.916·29-s + 1.06·31-s + 0.161·33-s + 0.0413·35-s + 0.778·37-s + 0.922·39-s + 0.501·41-s + 1.79·43-s − 0.149·45-s + 0.0242·47-s − 0.991·49-s − 1.05·51-s + 0.615·53-s + 0.124·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 240 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(6-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 240 ^{s/2} \, \Gamma_{\C}(s+5/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(240\)    =    \(2^{4} \cdot 3 \cdot 5\)
Sign: $1$
Analytic conductor: \(38.4921\)
Root analytic conductor: \(6.20420\)
Motivic weight: \(5\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 240,\ (\ :5/2),\ 1)\)

Particular Values

\(L(3)\) \(\approx\) \(1.070240117\)
\(L(\frac12)\) \(\approx\) \(1.070240117\)
\(L(\frac{7}{2})\) 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 \( 1 + p^{2} T \)
5 \( 1 + p^{2} T \)
good7 \( 1 + 12 T + p^{5} T^{2} \)
11 \( 1 + 112 T + p^{5} T^{2} \)
13 \( 1 + 974 T + p^{5} T^{2} \)
17 \( 1 - 2182 T + p^{5} T^{2} \)
19 \( 1 + 1420 T + p^{5} T^{2} \)
23 \( 1 + 3216 T + p^{5} T^{2} \)
29 \( 1 + 4150 T + p^{5} T^{2} \)
31 \( 1 - 5688 T + p^{5} T^{2} \)
37 \( 1 - 6482 T + p^{5} T^{2} \)
41 \( 1 - 5402 T + p^{5} T^{2} \)
43 \( 1 - 21764 T + p^{5} T^{2} \)
47 \( 1 - 368 T + p^{5} T^{2} \)
53 \( 1 - 12586 T + p^{5} T^{2} \)
59 \( 1 - 25520 T + p^{5} T^{2} \)
61 \( 1 - 11782 T + p^{5} T^{2} \)
67 \( 1 - 13188 T + p^{5} T^{2} \)
71 \( 1 - 35968 T + p^{5} T^{2} \)
73 \( 1 - 73186 T + p^{5} T^{2} \)
79 \( 1 - 52440 T + p^{5} T^{2} \)
83 \( 1 + 69036 T + p^{5} T^{2} \)
89 \( 1 + 33870 T + p^{5} T^{2} \)
97 \( 1 - 143042 T + p^{5} T^{2} \)
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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

−11.37480922618868530028618503009, −10.22903406265139982070509205916, −9.628405240423155599792742736573, −8.046239626030600083526960429174, −7.39916524139214647034106145530, −6.09759029310649678388244851924, −5.07713546048688053435543968067, −3.92877909561026773161213598813, −2.39422878319756951955346415178, −0.61306123469931468529535963010, 0.61306123469931468529535963010, 2.39422878319756951955346415178, 3.92877909561026773161213598813, 5.07713546048688053435543968067, 6.09759029310649678388244851924, 7.39916524139214647034106145530, 8.046239626030600083526960429174, 9.628405240423155599792742736573, 10.22903406265139982070509205916, 11.37480922618868530028618503009

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