Properties

Label 2-69-69.68-c7-0-18
Degree $2$
Conductor $69$
Sign $-0.387 - 0.921i$
Analytic cond. $21.5545$
Root an. cond. $4.64268$
Motivic weight $7$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 5.95i·2-s + (−43.1 + 18.1i)3-s + 92.4·4-s + (−108. − 256. i)6-s + 1.31e3i·8-s + (1.52e3 − 1.56e3i)9-s + (−3.98e3 + 1.67e3i)12-s + 1.34e4·13-s + 4.01e3·16-s + (9.31e3 + 9.11e3i)18-s + 5.83e4i·23-s + (−2.38e4 − 5.66e4i)24-s − 7.81e4·25-s + 8.03e4i·26-s + (−3.75e4 + 9.51e4i)27-s + ⋯
L(s)  = 1  + 0.526i·2-s + (−0.921 + 0.387i)3-s + 0.722·4-s + (−0.204 − 0.485i)6-s + 0.907i·8-s + (0.699 − 0.714i)9-s + (−0.666 + 0.280i)12-s + 1.70·13-s + 0.244·16-s + (0.376 + 0.368i)18-s + 0.999i·23-s + (−0.351 − 0.836i)24-s − 25-s + 0.896i·26-s + (−0.367 + 0.930i)27-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 69 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.387 - 0.921i)\, \overline{\Lambda}(8-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 69 ^{s/2} \, \Gamma_{\C}(s+7/2) \, L(s)\cr =\mathstrut & (-0.387 - 0.921i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(69\)    =    \(3 \cdot 23\)
Sign: $-0.387 - 0.921i$
Analytic conductor: \(21.5545\)
Root analytic conductor: \(4.64268\)
Motivic weight: \(7\)
Rational: no
Arithmetic: yes
Character: $\chi_{69} (68, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 69,\ (\ :7/2),\ -0.387 - 0.921i)\)

Particular Values

\(L(4)\) \(\approx\) \(0.933896 + 1.40618i\)
\(L(\frac12)\) \(\approx\) \(0.933896 + 1.40618i\)
\(L(\frac{9}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 + (43.1 - 18.1i)T \)
23 \( 1 - 5.83e4iT \)
good2 \( 1 - 5.95iT - 128T^{2} \)
5 \( 1 + 7.81e4T^{2} \)
7 \( 1 - 8.23e5T^{2} \)
11 \( 1 + 1.94e7T^{2} \)
13 \( 1 - 1.34e4T + 6.27e7T^{2} \)
17 \( 1 + 4.10e8T^{2} \)
19 \( 1 - 8.93e8T^{2} \)
29 \( 1 - 2.26e5iT - 1.72e10T^{2} \)
31 \( 1 + 1.07e5T + 2.75e10T^{2} \)
37 \( 1 - 9.49e10T^{2} \)
41 \( 1 + 3.51e5iT - 1.94e11T^{2} \)
43 \( 1 - 2.71e11T^{2} \)
47 \( 1 - 9.14e5iT - 5.06e11T^{2} \)
53 \( 1 + 1.17e12T^{2} \)
59 \( 1 - 3.15e6iT - 2.48e12T^{2} \)
61 \( 1 - 3.14e12T^{2} \)
67 \( 1 - 6.06e12T^{2} \)
71 \( 1 + 6.00e6iT - 9.09e12T^{2} \)
73 \( 1 - 6.03e6T + 1.10e13T^{2} \)
79 \( 1 - 1.92e13T^{2} \)
83 \( 1 + 2.71e13T^{2} \)
89 \( 1 + 4.42e13T^{2} \)
97 \( 1 - 8.07e13T^{2} \)
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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

−13.70783197353329276687957785585, −12.30314110282110740257964564065, −11.24222569904597914683191030205, −10.60393777825453817184769452681, −9.004779015569574134611819677017, −7.47063120436727318376556878987, −6.27981283412094986240625700330, −5.43933505534388875115507208415, −3.64464443365419623857976543273, −1.40456869941852292731775402410, 0.71647984118915061397246067625, 2.03921351651026882983297755315, 3.91688134892640730184524312859, 5.83654372548428280148044240760, 6.69588572555970461069963158561, 8.097050632847916522626087719113, 9.956918890340273170978113143292, 11.00535005195954951279999951998, 11.62191244607868156024553943103, 12.71463757042706322173028345749

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