Properties

Label 2-69-23.18-c1-0-0
Degree $2$
Conductor $69$
Sign $0.389 - 0.920i$
Analytic cond. $0.550967$
Root an. cond. $0.742272$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (−1.90 − 0.559i)2-s + (−0.654 + 0.755i)3-s + (1.63 + 1.05i)4-s + (−0.291 + 2.02i)5-s + (1.67 − 1.07i)6-s + (1.34 + 2.93i)7-s + (0.0729 + 0.0841i)8-s + (−0.142 − 0.989i)9-s + (1.68 − 3.69i)10-s + (−1.55 + 0.457i)11-s + (−1.86 + 0.547i)12-s + (−1.07 + 2.36i)13-s + (−0.913 − 6.35i)14-s + (−1.34 − 1.54i)15-s + (−1.70 − 3.73i)16-s + (3.90 − 2.51i)17-s + ⋯
L(s)  = 1  + (−1.34 − 0.395i)2-s + (−0.378 + 0.436i)3-s + (0.817 + 0.525i)4-s + (−0.130 + 0.906i)5-s + (0.682 − 0.438i)6-s + (0.507 + 1.11i)7-s + (0.0257 + 0.0297i)8-s + (−0.0474 − 0.329i)9-s + (0.534 − 1.16i)10-s + (−0.470 + 0.138i)11-s + (−0.538 + 0.158i)12-s + (−0.299 + 0.654i)13-s + (−0.244 − 1.69i)14-s + (−0.346 − 0.399i)15-s + (−0.426 − 0.934i)16-s + (0.947 − 0.609i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 69 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.389 - 0.920i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 69 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.389 - 0.920i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(69\)    =    \(3 \cdot 23\)
Sign: $0.389 - 0.920i$
Analytic conductor: \(0.550967\)
Root analytic conductor: \(0.742272\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{69} (64, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 69,\ (\ :1/2),\ 0.389 - 0.920i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.347893 + 0.230519i\)
\(L(\frac12)\) \(\approx\) \(0.347893 + 0.230519i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 + (0.654 - 0.755i)T \)
23 \( 1 + (-1.37 - 4.59i)T \)
good2 \( 1 + (1.90 + 0.559i)T + (1.68 + 1.08i)T^{2} \)
5 \( 1 + (0.291 - 2.02i)T + (-4.79 - 1.40i)T^{2} \)
7 \( 1 + (-1.34 - 2.93i)T + (-4.58 + 5.29i)T^{2} \)
11 \( 1 + (1.55 - 0.457i)T + (9.25 - 5.94i)T^{2} \)
13 \( 1 + (1.07 - 2.36i)T + (-8.51 - 9.82i)T^{2} \)
17 \( 1 + (-3.90 + 2.51i)T + (7.06 - 15.4i)T^{2} \)
19 \( 1 + (5.38 + 3.45i)T + (7.89 + 17.2i)T^{2} \)
29 \( 1 + (-6.49 + 4.17i)T + (12.0 - 26.3i)T^{2} \)
31 \( 1 + (-5.74 - 6.62i)T + (-4.41 + 30.6i)T^{2} \)
37 \( 1 + (1.13 + 7.88i)T + (-35.5 + 10.4i)T^{2} \)
41 \( 1 + (-0.407 + 2.83i)T + (-39.3 - 11.5i)T^{2} \)
43 \( 1 + (-2.44 + 2.81i)T + (-6.11 - 42.5i)T^{2} \)
47 \( 1 + 8.70T + 47T^{2} \)
53 \( 1 + (0.624 + 1.36i)T + (-34.7 + 40.0i)T^{2} \)
59 \( 1 + (-2.08 + 4.57i)T + (-38.6 - 44.5i)T^{2} \)
61 \( 1 + (-5.53 - 6.39i)T + (-8.68 + 60.3i)T^{2} \)
67 \( 1 + (3.57 + 1.05i)T + (56.3 + 36.2i)T^{2} \)
71 \( 1 + (-1.18 - 0.347i)T + (59.7 + 38.3i)T^{2} \)
73 \( 1 + (-9.93 - 6.38i)T + (30.3 + 66.4i)T^{2} \)
79 \( 1 + (-3.73 + 8.17i)T + (-51.7 - 59.7i)T^{2} \)
83 \( 1 + (-2.18 - 15.1i)T + (-79.6 + 23.3i)T^{2} \)
89 \( 1 + (-1.71 + 1.97i)T + (-12.6 - 88.0i)T^{2} \)
97 \( 1 + (0.172 - 1.20i)T + (-93.0 - 27.3i)T^{2} \)
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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

−15.19060447335339126865108122801, −14.14420615146686200968938974169, −12.13789935081436155896635480402, −11.29812825593824744855413233662, −10.42312813955547236388287762093, −9.378027106399824765162242948955, −8.307434954579621001671614416480, −6.91215406863156894280474825556, −5.09555225416368616541562739900, −2.54658940710343168413876324229, 0.999569432276039913572734679715, 4.63021087335897201584213693447, 6.48737565548604064164791349203, 7.981209001871739310503674147900, 8.282867589842716708123630108581, 10.07965663567738312803750210005, 10.72860581389982202947207025983, 12.38012661456814581801319474241, 13.26958782836771138754821638018, 14.76116309769050783118395722745

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