Properties

Label 2-221-221.44-c1-0-6
Degree $2$
Conductor $221$
Sign $-0.752 - 0.658i$
Analytic cond. $1.76469$
Root an. cond. $1.32841$
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  + (0.813 + 1.96i)2-s + (1.03 + 0.690i)3-s + (−1.78 + 1.78i)4-s + (−1.32 + 1.98i)5-s + (−0.515 + 2.58i)6-s + (0.0574 + 0.0860i)7-s + (−1.01 − 0.421i)8-s + (−0.557 − 1.34i)9-s + (−4.98 − 0.990i)10-s + (1.10 − 5.53i)11-s + (−3.06 + 0.610i)12-s + (2.79 + 2.28i)13-s + (−0.122 + 0.182i)14-s + (−2.74 + 1.13i)15-s + 2.69i·16-s + (−3.65 − 1.90i)17-s + ⋯
L(s)  = 1  + (0.575 + 1.38i)2-s + (0.596 + 0.398i)3-s + (−0.890 + 0.890i)4-s + (−0.593 + 0.888i)5-s + (−0.210 + 1.05i)6-s + (0.0217 + 0.0325i)7-s + (−0.360 − 0.149i)8-s + (−0.185 − 0.448i)9-s + (−1.57 − 0.313i)10-s + (0.331 − 1.66i)11-s + (−0.885 + 0.176i)12-s + (0.774 + 0.632i)13-s + (−0.0326 + 0.0488i)14-s + (−0.707 + 0.293i)15-s + 0.673i·16-s + (−0.887 − 0.461i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 221 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.752 - 0.658i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 221 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.752 - 0.658i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(221\)    =    \(13 \cdot 17\)
Sign: $-0.752 - 0.658i$
Analytic conductor: \(1.76469\)
Root analytic conductor: \(1.32841\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{221} (44, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 221,\ (\ :1/2),\ -0.752 - 0.658i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.618324 + 1.64596i\)
\(L(\frac12)\) \(\approx\) \(0.618324 + 1.64596i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad13 \( 1 + (-2.79 - 2.28i)T \)
17 \( 1 + (3.65 + 1.90i)T \)
good2 \( 1 + (-0.813 - 1.96i)T + (-1.41 + 1.41i)T^{2} \)
3 \( 1 + (-1.03 - 0.690i)T + (1.14 + 2.77i)T^{2} \)
5 \( 1 + (1.32 - 1.98i)T + (-1.91 - 4.61i)T^{2} \)
7 \( 1 + (-0.0574 - 0.0860i)T + (-2.67 + 6.46i)T^{2} \)
11 \( 1 + (-1.10 + 5.53i)T + (-10.1 - 4.20i)T^{2} \)
19 \( 1 + (0.203 + 0.491i)T + (-13.4 + 13.4i)T^{2} \)
23 \( 1 + (-5.10 - 7.63i)T + (-8.80 + 21.2i)T^{2} \)
29 \( 1 + (-0.945 - 4.75i)T + (-26.7 + 11.0i)T^{2} \)
31 \( 1 + (2.08 + 10.4i)T + (-28.6 + 11.8i)T^{2} \)
37 \( 1 + (1.04 + 5.23i)T + (-34.1 + 14.1i)T^{2} \)
41 \( 1 + (1.06 - 0.711i)T + (15.6 - 37.8i)T^{2} \)
43 \( 1 + (-2.69 + 1.11i)T + (30.4 - 30.4i)T^{2} \)
47 \( 1 + 2.00T + 47T^{2} \)
53 \( 1 + (1.75 - 4.24i)T + (-37.4 - 37.4i)T^{2} \)
59 \( 1 + (4.07 + 1.68i)T + (41.7 + 41.7i)T^{2} \)
61 \( 1 + (-1.30 + 6.54i)T + (-56.3 - 23.3i)T^{2} \)
67 \( 1 + (-7.19 - 7.19i)T + 67iT^{2} \)
71 \( 1 + (9.54 - 1.89i)T + (65.5 - 27.1i)T^{2} \)
73 \( 1 + (0.830 + 0.555i)T + (27.9 + 67.4i)T^{2} \)
79 \( 1 + (5.81 + 8.69i)T + (-30.2 + 72.9i)T^{2} \)
83 \( 1 + (1.04 - 0.431i)T + (58.6 - 58.6i)T^{2} \)
89 \( 1 - 2.70iT - 89T^{2} \)
97 \( 1 + (9.59 + 6.40i)T + (37.1 + 89.6i)T^{2} \)
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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

−13.26369651574781623203439772658, −11.39741415310862328421668090294, −11.07822236055912599366810000672, −9.194975601143009539659481666658, −8.592984173458935710726365233161, −7.42935488434655155006794311984, −6.55875137554973880210322708586, −5.64820806239442382642107480509, −4.01439722880773052489660889120, −3.27833994950095715811920285623, 1.49315399904088437024189843612, 2.77466622123298188892915934337, 4.24920904057837356161252700963, 4.91461492452326202572403988030, 6.93434013642057727458971402847, 8.196721754906874885397760338203, 8.976608003875496759587795009373, 10.29875502556030638619440816782, 11.04352729044911109124622768975, 12.27323351721593200645651315799

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