Properties

Label 2-68-68.63-c1-0-0
Degree $2$
Conductor $68$
Sign $-0.0870 - 0.996i$
Analytic cond. $0.542982$
Root an. cond. $0.736873$
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  + (−0.823 + 1.14i)2-s + (1.67 + 2.50i)3-s + (−0.642 − 1.89i)4-s + (−0.803 − 0.159i)5-s + (−4.25 − 0.139i)6-s + (−0.704 − 3.54i)7-s + (2.70 + 0.821i)8-s + (−2.31 + 5.59i)9-s + (0.845 − 0.791i)10-s + (1.82 + 1.21i)11-s + (3.66 − 4.77i)12-s + (−0.604 − 0.604i)13-s + (4.65 + 2.10i)14-s + (−0.943 − 2.27i)15-s + (−3.17 + 2.43i)16-s + (0.361 − 4.10i)17-s + ⋯
L(s)  = 1  + (−0.582 + 0.812i)2-s + (0.965 + 1.44i)3-s + (−0.321 − 0.946i)4-s + (−0.359 − 0.0714i)5-s + (−1.73 − 0.0569i)6-s + (−0.266 − 1.33i)7-s + (0.956 + 0.290i)8-s + (−0.772 + 1.86i)9-s + (0.267 − 0.250i)10-s + (0.549 + 0.367i)11-s + (1.05 − 1.37i)12-s + (−0.167 − 0.167i)13-s + (1.24 + 0.563i)14-s + (−0.243 − 0.587i)15-s + (−0.793 + 0.608i)16-s + (0.0876 − 0.996i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 68 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.0870 - 0.996i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 68 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.0870 - 0.996i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(68\)    =    \(2^{2} \cdot 17\)
Sign: $-0.0870 - 0.996i$
Analytic conductor: \(0.542982\)
Root analytic conductor: \(0.736873\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{68} (63, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 68,\ (\ :1/2),\ -0.0870 - 0.996i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.563401 + 0.614789i\)
\(L(\frac12)\) \(\approx\) \(0.563401 + 0.614789i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (0.823 - 1.14i)T \)
17 \( 1 + (-0.361 + 4.10i)T \)
good3 \( 1 + (-1.67 - 2.50i)T + (-1.14 + 2.77i)T^{2} \)
5 \( 1 + (0.803 + 0.159i)T + (4.61 + 1.91i)T^{2} \)
7 \( 1 + (0.704 + 3.54i)T + (-6.46 + 2.67i)T^{2} \)
11 \( 1 + (-1.82 - 1.21i)T + (4.20 + 10.1i)T^{2} \)
13 \( 1 + (0.604 + 0.604i)T + 13iT^{2} \)
19 \( 1 + (-2.75 + 1.14i)T + (13.4 - 13.4i)T^{2} \)
23 \( 1 + (1.97 - 2.96i)T + (-8.80 - 21.2i)T^{2} \)
29 \( 1 + (0.860 - 4.32i)T + (-26.7 - 11.0i)T^{2} \)
31 \( 1 + (-1.27 + 0.852i)T + (11.8 - 28.6i)T^{2} \)
37 \( 1 + (-2.06 + 1.37i)T + (14.1 - 34.1i)T^{2} \)
41 \( 1 + (2.36 - 0.471i)T + (37.8 - 15.6i)T^{2} \)
43 \( 1 + (7.50 + 3.10i)T + (30.4 + 30.4i)T^{2} \)
47 \( 1 + (6.12 - 6.12i)T - 47iT^{2} \)
53 \( 1 + (3.89 + 9.40i)T + (-37.4 + 37.4i)T^{2} \)
59 \( 1 + (0.113 - 0.274i)T + (-41.7 - 41.7i)T^{2} \)
61 \( 1 + (-1.85 - 9.33i)T + (-56.3 + 23.3i)T^{2} \)
67 \( 1 - 5.75T + 67T^{2} \)
71 \( 1 + (-0.779 - 1.16i)T + (-27.1 + 65.5i)T^{2} \)
73 \( 1 + (-11.4 - 2.27i)T + (67.4 + 27.9i)T^{2} \)
79 \( 1 + (-3.81 - 2.54i)T + (30.2 + 72.9i)T^{2} \)
83 \( 1 + (-1.97 - 4.77i)T + (-58.6 + 58.6i)T^{2} \)
89 \( 1 + (8.86 - 8.86i)T - 89iT^{2} \)
97 \( 1 + (0.622 - 3.13i)T + (-89.6 - 37.1i)T^{2} \)
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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

−15.25300619314100744508615775846, −14.25280974231038118198095321745, −13.62189384761969998089983451982, −11.22506537658911785992051927405, −9.963393127496284431803212468460, −9.550477013305019161888179612002, −8.175226901515660668238441870447, −7.12042988677021939900828207480, −4.92804031667738408766683903081, −3.75530126128982882440566602568, 1.97119063031566394745204456754, 3.36464106464965989345453014850, 6.37892116643777306076406529477, 7.88515644604239476911780856529, 8.570959541335978581079939039065, 9.620871893548245244338838067174, 11.62095618793709028543776121635, 12.22901573925483066089007690773, 13.11813654280233156870355147475, 14.20326700490516220414190459958

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