Properties

Label 2-138-23.22-c4-0-9
Degree $2$
Conductor $138$
Sign $0.680 + 0.733i$
Analytic cond. $14.2650$
Root an. cond. $3.77691$
Motivic weight $4$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2.82·2-s + 5.19·3-s + 8.00·4-s + 7.78i·5-s − 14.6·6-s − 25.8i·7-s − 22.6·8-s + 27·9-s − 22.0i·10-s − 131. i·11-s + 41.5·12-s + 98.7·13-s + 72.9i·14-s + 40.4i·15-s + 64.0·16-s + 271. i·17-s + ⋯
L(s)  = 1  − 0.707·2-s + 0.577·3-s + 0.500·4-s + 0.311i·5-s − 0.408·6-s − 0.526i·7-s − 0.353·8-s + 0.333·9-s − 0.220i·10-s − 1.08i·11-s + 0.288·12-s + 0.584·13-s + 0.372i·14-s + 0.179i·15-s + 0.250·16-s + 0.938i·17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 138 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.680 + 0.733i)\, \overline{\Lambda}(5-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 138 ^{s/2} \, \Gamma_{\C}(s+2) \, L(s)\cr =\mathstrut & (0.680 + 0.733i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(138\)    =    \(2 \cdot 3 \cdot 23\)
Sign: $0.680 + 0.733i$
Analytic conductor: \(14.2650\)
Root analytic conductor: \(3.77691\)
Motivic weight: \(4\)
Rational: no
Arithmetic: yes
Character: $\chi_{138} (91, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 138,\ (\ :2),\ 0.680 + 0.733i)\)

Particular Values

\(L(\frac{5}{2})\) \(\approx\) \(1.42112 - 0.620005i\)
\(L(\frac12)\) \(\approx\) \(1.42112 - 0.620005i\)
\(L(3)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + 2.82T \)
3 \( 1 - 5.19T \)
23 \( 1 + (359. + 387. i)T \)
good5 \( 1 - 7.78iT - 625T^{2} \)
7 \( 1 + 25.8iT - 2.40e3T^{2} \)
11 \( 1 + 131. iT - 1.46e4T^{2} \)
13 \( 1 - 98.7T + 2.85e4T^{2} \)
17 \( 1 - 271. iT - 8.35e4T^{2} \)
19 \( 1 + 342. iT - 1.30e5T^{2} \)
29 \( 1 - 560.T + 7.07e5T^{2} \)
31 \( 1 - 1.08e3T + 9.23e5T^{2} \)
37 \( 1 + 2.35e3iT - 1.87e6T^{2} \)
41 \( 1 - 1.28e3T + 2.82e6T^{2} \)
43 \( 1 + 3.25e3iT - 3.41e6T^{2} \)
47 \( 1 - 1.16e3T + 4.87e6T^{2} \)
53 \( 1 - 1.59e3iT - 7.89e6T^{2} \)
59 \( 1 + 3.66e3T + 1.21e7T^{2} \)
61 \( 1 - 1.88e3iT - 1.38e7T^{2} \)
67 \( 1 - 1.31e3iT - 2.01e7T^{2} \)
71 \( 1 + 7.24e3T + 2.54e7T^{2} \)
73 \( 1 + 753.T + 2.83e7T^{2} \)
79 \( 1 - 3.74e3iT - 3.89e7T^{2} \)
83 \( 1 - 1.04e4iT - 4.74e7T^{2} \)
89 \( 1 + 2.62e3iT - 6.27e7T^{2} \)
97 \( 1 - 8.54e3iT - 8.85e7T^{2} \)
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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

−12.30037561884104266775471638585, −10.89105326367482214650167163432, −10.45055873141273098322807707661, −8.985770535570386881280750332887, −8.332210666377041584539626465273, −7.13299617411764545512245119802, −6.03284952295263196860525104752, −4.00972274949631950113428287329, −2.64439888155844314279465244270, −0.828661423770063129617577076967, 1.41687642221805143420716538564, 2.88214121437045072192469025603, 4.64636170528524862187893539782, 6.25813709380208096952024427322, 7.56067092969401784577067311955, 8.469523995169897281402391415801, 9.462478328912609908999090876359, 10.21757982372688473128084012943, 11.67470863281621877129491443602, 12.45121179476547951229978231113

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