Properties

Label 2-648-216.11-c1-0-5
Degree $2$
Conductor $648$
Sign $-0.847 - 0.530i$
Analytic cond. $5.17430$
Root an. cond. $2.27471$
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  + (0.322 + 1.37i)2-s + (−1.79 + 0.887i)4-s + (−0.479 − 0.174i)5-s + (1.63 + 0.287i)7-s + (−1.79 − 2.18i)8-s + (0.0858 − 0.716i)10-s + (0.576 + 1.58i)11-s + (3.81 + 4.54i)13-s + (0.129 + 2.33i)14-s + (2.42 − 3.18i)16-s + (−5.08 + 2.93i)17-s + (−1.91 + 3.32i)19-s + (1.01 − 0.112i)20-s + (−1.99 + 1.30i)22-s + (0.765 + 4.34i)23-s + ⋯
L(s)  = 1  + (0.227 + 0.973i)2-s + (−0.896 + 0.443i)4-s + (−0.214 − 0.0780i)5-s + (0.616 + 0.108i)7-s + (−0.636 − 0.771i)8-s + (0.0271 − 0.226i)10-s + (0.173 + 0.477i)11-s + (1.05 + 1.26i)13-s + (0.0346 + 0.625i)14-s + (0.606 − 0.795i)16-s + (−1.23 + 0.712i)17-s + (−0.440 + 0.762i)19-s + (0.226 − 0.0251i)20-s + (−0.425 + 0.278i)22-s + (0.159 + 0.905i)23-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 648 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.847 - 0.530i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 648 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.847 - 0.530i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(648\)    =    \(2^{3} \cdot 3^{4}\)
Sign: $-0.847 - 0.530i$
Analytic conductor: \(5.17430\)
Root analytic conductor: \(2.27471\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{648} (35, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 648,\ (\ :1/2),\ -0.847 - 0.530i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.365793 + 1.27448i\)
\(L(\frac12)\) \(\approx\) \(0.365793 + 1.27448i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (-0.322 - 1.37i)T \)
3 \( 1 \)
good5 \( 1 + (0.479 + 0.174i)T + (3.83 + 3.21i)T^{2} \)
7 \( 1 + (-1.63 - 0.287i)T + (6.57 + 2.39i)T^{2} \)
11 \( 1 + (-0.576 - 1.58i)T + (-8.42 + 7.07i)T^{2} \)
13 \( 1 + (-3.81 - 4.54i)T + (-2.25 + 12.8i)T^{2} \)
17 \( 1 + (5.08 - 2.93i)T + (8.5 - 14.7i)T^{2} \)
19 \( 1 + (1.91 - 3.32i)T + (-9.5 - 16.4i)T^{2} \)
23 \( 1 + (-0.765 - 4.34i)T + (-21.6 + 7.86i)T^{2} \)
29 \( 1 + (-0.748 - 0.628i)T + (5.03 + 28.5i)T^{2} \)
31 \( 1 + (6.88 - 1.21i)T + (29.1 - 10.6i)T^{2} \)
37 \( 1 + (-5.88 + 3.39i)T + (18.5 - 32.0i)T^{2} \)
41 \( 1 + (-2.01 - 2.40i)T + (-7.11 + 40.3i)T^{2} \)
43 \( 1 + (-0.826 + 0.300i)T + (32.9 - 27.6i)T^{2} \)
47 \( 1 + (0.0117 - 0.0666i)T + (-44.1 - 16.0i)T^{2} \)
53 \( 1 - 5.83T + 53T^{2} \)
59 \( 1 + (-0.521 + 1.43i)T + (-45.1 - 37.9i)T^{2} \)
61 \( 1 + (-10.6 - 1.88i)T + (57.3 + 20.8i)T^{2} \)
67 \( 1 + (7.05 - 5.92i)T + (11.6 - 65.9i)T^{2} \)
71 \( 1 + (-8.21 - 14.2i)T + (-35.5 + 61.4i)T^{2} \)
73 \( 1 + (-0.650 + 1.12i)T + (-36.5 - 63.2i)T^{2} \)
79 \( 1 + (-3.66 + 4.36i)T + (-13.7 - 77.7i)T^{2} \)
83 \( 1 + (-1.44 + 1.72i)T + (-14.4 - 81.7i)T^{2} \)
89 \( 1 + (11.2 + 6.52i)T + (44.5 + 77.0i)T^{2} \)
97 \( 1 + (-13.9 + 5.06i)T + (74.3 - 62.3i)T^{2} \)
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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

−11.06289781324624883948641381472, −9.785082135386818331525055967155, −8.861944495488371579880440813868, −8.322911969844933836063906604728, −7.31549243160851304030937778211, −6.45689519506403361506153697220, −5.63266942859469784178051132990, −4.34073636205869169769343034764, −3.89900276158263804675405476027, −1.82761375921010914691127008426, 0.69477712982110681048322969505, 2.28486715119610377834446734856, 3.44366339389107916073124820286, 4.43940097380142694070057128674, 5.40136466685611545259376672743, 6.43719696928659734433169035073, 7.83909467281265172226348556040, 8.641416630873233532891379081539, 9.348908181929498318802519016655, 10.59480639777486890348340515652

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