Properties

Label 2-672-168.125-c1-0-17
Degree $2$
Conductor $672$
Sign $0.960 - 0.278i$
Analytic cond. $5.36594$
Root an. cond. $2.31645$
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 + 1.41i)3-s − 1.41i·5-s + (2 − 1.73i)7-s + (−1.00 + 2.82i)9-s − 2.44·11-s + 2·13-s + (2.00 − 1.41i)15-s + 7.34·17-s + 4·19-s + (4.44 + 1.09i)21-s + 1.41i·23-s + 2.99·25-s + (−5.00 + 1.41i)27-s − 4.89·29-s − 6.92i·31-s + ⋯
L(s)  = 1  + (0.577 + 0.816i)3-s − 0.632i·5-s + (0.755 − 0.654i)7-s + (−0.333 + 0.942i)9-s − 0.738·11-s + 0.554·13-s + (0.516 − 0.365i)15-s + 1.78·17-s + 0.917·19-s + (0.970 + 0.239i)21-s + 0.294i·23-s + 0.599·25-s + (−0.962 + 0.272i)27-s − 0.909·29-s − 1.24i·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 672 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.960 - 0.278i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 672 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.960 - 0.278i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(672\)    =    \(2^{5} \cdot 3 \cdot 7\)
Sign: $0.960 - 0.278i$
Analytic conductor: \(5.36594\)
Root analytic conductor: \(2.31645\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{672} (209, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 672,\ (\ :1/2),\ 0.960 - 0.278i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.97866 + 0.280862i\)
\(L(\frac12)\) \(\approx\) \(1.97866 + 0.280862i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
3 \( 1 + (-1 - 1.41i)T \)
7 \( 1 + (-2 + 1.73i)T \)
good5 \( 1 + 1.41iT - 5T^{2} \)
11 \( 1 + 2.44T + 11T^{2} \)
13 \( 1 - 2T + 13T^{2} \)
17 \( 1 - 7.34T + 17T^{2} \)
19 \( 1 - 4T + 19T^{2} \)
23 \( 1 - 1.41iT - 23T^{2} \)
29 \( 1 + 4.89T + 29T^{2} \)
31 \( 1 + 6.92iT - 31T^{2} \)
37 \( 1 - 10.3iT - 37T^{2} \)
41 \( 1 + 2.44T + 41T^{2} \)
43 \( 1 + 3.46iT - 43T^{2} \)
47 \( 1 - 4.89T + 47T^{2} \)
53 \( 1 + 53T^{2} \)
59 \( 1 - 5.65iT - 59T^{2} \)
61 \( 1 + 10T + 61T^{2} \)
67 \( 1 - 3.46iT - 67T^{2} \)
71 \( 1 - 1.41iT - 71T^{2} \)
73 \( 1 - 73T^{2} \)
79 \( 1 + 8T + 79T^{2} \)
83 \( 1 + 11.3iT - 83T^{2} \)
89 \( 1 + 7.34T + 89T^{2} \)
97 \( 1 - 13.8iT - 97T^{2} \)
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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

−10.36718197437294745641456918849, −9.774731629754203357481961655843, −8.799298182005924127823869287651, −7.950107157575609838151928677787, −7.47934936396933530320695547223, −5.64401422171732604707484757459, −5.03148619022154688761349881395, −4.01421574802912427322002991972, −3.02463967675031995101286142866, −1.33854669547455588289807103362, 1.38821452724373150116078617447, 2.68322635374238142986754050833, 3.50151502224562105931430946350, 5.23612399819530042757456476739, 5.97019277122333039079928497463, 7.21860662694130983635897200666, 7.76439119491150104234192776074, 8.581134907387006318459571191486, 9.463473718342760177320295772379, 10.55638257930453475721858723496

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