Properties

Label 2-68-68.11-c1-0-3
Degree $2$
Conductor $68$
Sign $0.999 - 0.000250i$
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  + (−1.28 + 0.591i)2-s + (2.70 − 0.538i)3-s + (1.30 − 1.51i)4-s + (−2.42 − 1.61i)5-s + (−3.16 + 2.29i)6-s + (0.747 + 1.11i)7-s + (−0.770 + 2.72i)8-s + (4.27 − 1.77i)9-s + (4.07 + 0.646i)10-s + (−0.611 + 3.07i)11-s + (2.70 − 4.81i)12-s + (−3.24 + 3.24i)13-s + (−1.62 − 0.994i)14-s + (−7.43 − 3.08i)15-s + (−0.619 − 3.95i)16-s + (−2.21 − 3.47i)17-s + ⋯
L(s)  = 1  + (−0.908 + 0.418i)2-s + (1.56 − 0.311i)3-s + (0.650 − 0.759i)4-s + (−1.08 − 0.724i)5-s + (−1.29 + 0.936i)6-s + (0.282 + 0.422i)7-s + (−0.272 + 0.962i)8-s + (1.42 − 0.590i)9-s + (1.28 + 0.204i)10-s + (−0.184 + 0.926i)11-s + (0.780 − 1.39i)12-s + (−0.899 + 0.899i)13-s + (−0.433 − 0.265i)14-s + (−1.92 − 0.795i)15-s + (−0.154 − 0.987i)16-s + (−0.538 − 0.842i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 68 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.999 - 0.000250i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 68 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.999 - 0.000250i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(68\)    =    \(2^{2} \cdot 17\)
Sign: $0.999 - 0.000250i$
Analytic conductor: \(0.542982\)
Root analytic conductor: \(0.736873\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{68} (11, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 68,\ (\ :1/2),\ 0.999 - 0.000250i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.837745 + 0.000104788i\)
\(L(\frac12)\) \(\approx\) \(0.837745 + 0.000104788i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (1.28 - 0.591i)T \)
17 \( 1 + (2.21 + 3.47i)T \)
good3 \( 1 + (-2.70 + 0.538i)T + (2.77 - 1.14i)T^{2} \)
5 \( 1 + (2.42 + 1.61i)T + (1.91 + 4.61i)T^{2} \)
7 \( 1 + (-0.747 - 1.11i)T + (-2.67 + 6.46i)T^{2} \)
11 \( 1 + (0.611 - 3.07i)T + (-10.1 - 4.20i)T^{2} \)
13 \( 1 + (3.24 - 3.24i)T - 13iT^{2} \)
19 \( 1 + (-0.100 + 0.242i)T + (-13.4 - 13.4i)T^{2} \)
23 \( 1 + (-2.31 - 0.459i)T + (21.2 + 8.80i)T^{2} \)
29 \( 1 + (-0.242 + 0.362i)T + (-11.0 - 26.7i)T^{2} \)
31 \( 1 + (1.10 + 5.55i)T + (-28.6 + 11.8i)T^{2} \)
37 \( 1 + (0.474 + 2.38i)T + (-34.1 + 14.1i)T^{2} \)
41 \( 1 + (-1.44 + 0.965i)T + (15.6 - 37.8i)T^{2} \)
43 \( 1 + (-3.12 - 7.55i)T + (-30.4 + 30.4i)T^{2} \)
47 \( 1 + (-3.35 - 3.35i)T + 47iT^{2} \)
53 \( 1 + (-3.62 - 1.50i)T + (37.4 + 37.4i)T^{2} \)
59 \( 1 + (2.31 - 0.959i)T + (41.7 - 41.7i)T^{2} \)
61 \( 1 + (4.61 + 6.90i)T + (-23.3 + 56.3i)T^{2} \)
67 \( 1 + 10.2T + 67T^{2} \)
71 \( 1 + (-14.4 + 2.88i)T + (65.5 - 27.1i)T^{2} \)
73 \( 1 + (-7.57 - 5.06i)T + (27.9 + 67.4i)T^{2} \)
79 \( 1 + (-1.02 + 5.14i)T + (-72.9 - 30.2i)T^{2} \)
83 \( 1 + (3.34 + 1.38i)T + (58.6 + 58.6i)T^{2} \)
89 \( 1 + (12.4 + 12.4i)T + 89iT^{2} \)
97 \( 1 + (3.63 - 5.43i)T + (-37.1 - 89.6i)T^{2} \)
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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

−15.04519620701946872733931564168, −14.07117032209123437130472977660, −12.56301504957501336104519169879, −11.49738733007547493229035294285, −9.553028695512526292189985880222, −8.931266869090699035417234770427, −7.84422844189414552263270301106, −7.19048829630718043210383559358, −4.60779877438163359313006357805, −2.29554687694537868636751235645, 2.82310425180528839490970442001, 3.81889295629028106353643813941, 7.21089217710812819114632852509, 8.018042599328517050455131638381, 8.821330685246306799222068538958, 10.28105214862178449077801003434, 11.02803143760538359481091481985, 12.51051142859785127222336597177, 13.85811321664866410742759137790, 15.08684697042183981547970649798

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