Properties

Label 2-69-69.68-c3-0-20
Degree $2$
Conductor $69$
Sign $-0.922 - 0.384i$
Analytic cond. $4.07113$
Root an. cond. $2.01770$
Motivic weight $3$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 4.79i·2-s + (2 − 4.79i)3-s − 14.9·4-s + (−22.9 − 9.59i)6-s + 33.5i·8-s + (−18.9 − 19.1i)9-s + (−29.9 + 71.9i)12-s + 74·13-s + 40.9·16-s + (−91.9 + 91.1i)18-s − 110. i·23-s + (160. + 67.1i)24-s − 125·25-s − 354. i·26-s + (−129. + 52.7i)27-s + ⋯
L(s)  = 1  − 1.69i·2-s + (0.384 − 0.922i)3-s − 1.87·4-s + (−1.56 − 0.652i)6-s + 1.48i·8-s + (−0.703 − 0.710i)9-s + (−0.721 + 1.73i)12-s + 1.57·13-s + 0.640·16-s + (−1.20 + 1.19i)18-s − 0.999i·23-s + (1.36 + 0.571i)24-s − 25-s − 2.67i·26-s + (−0.926 + 0.376i)27-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 69 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.922 - 0.384i)\, \overline{\Lambda}(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 69 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & (-0.922 - 0.384i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(69\)    =    \(3 \cdot 23\)
Sign: $-0.922 - 0.384i$
Analytic conductor: \(4.07113\)
Root analytic conductor: \(2.01770\)
Motivic weight: \(3\)
Rational: no
Arithmetic: yes
Character: $\chi_{69} (68, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 69,\ (\ :3/2),\ -0.922 - 0.384i)\)

Particular Values

\(L(2)\) \(\approx\) \(0.275940 + 1.37859i\)
\(L(\frac12)\) \(\approx\) \(0.275940 + 1.37859i\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 + (-2 + 4.79i)T \)
23 \( 1 + 110. iT \)
good2 \( 1 + 4.79iT - 8T^{2} \)
5 \( 1 + 125T^{2} \)
7 \( 1 - 343T^{2} \)
11 \( 1 + 1.33e3T^{2} \)
13 \( 1 - 74T + 2.19e3T^{2} \)
17 \( 1 + 4.91e3T^{2} \)
19 \( 1 - 6.85e3T^{2} \)
29 \( 1 + 134. iT - 2.43e4T^{2} \)
31 \( 1 - 344T + 2.97e4T^{2} \)
37 \( 1 - 5.06e4T^{2} \)
41 \( 1 + 306. iT - 6.89e4T^{2} \)
43 \( 1 - 7.95e4T^{2} \)
47 \( 1 - 642. iT - 1.03e5T^{2} \)
53 \( 1 + 1.48e5T^{2} \)
59 \( 1 - 815. iT - 2.05e5T^{2} \)
61 \( 1 - 2.26e5T^{2} \)
67 \( 1 - 3.00e5T^{2} \)
71 \( 1 + 220. iT - 3.57e5T^{2} \)
73 \( 1 - 1.22e3T + 3.89e5T^{2} \)
79 \( 1 - 4.93e5T^{2} \)
83 \( 1 + 5.71e5T^{2} \)
89 \( 1 + 7.04e5T^{2} \)
97 \( 1 - 9.12e5T^{2} \)
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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

−13.44994154409642373551389140765, −12.37440759397331378666586814780, −11.56317134080674220664646831262, −10.48819360561422095006563385658, −9.134582039500908511314170686275, −8.134491939867327801130737487398, −6.23143845428292983270152484031, −3.98297866686422702784859810415, −2.53801662311772924551648335151, −0.996139940795100827595483904932, 3.80305279376031239900559755841, 5.22147457768017450620088117595, 6.38010374506982623737782445471, 7.967895682497640834627472920994, 8.748361864258654657959388936913, 9.900023497948015880628023172706, 11.35819148611223138738775427391, 13.45471690948708818404110321292, 14.00130746800366898984595644535, 15.27421098183021062462505979863

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