$10^3$ | $4$ | $0.039908808496618 + 0.010081070384206$i | $ 3.8387\times 10^{-5}$ |
| $8$ | $0.039933348663276 + 0.010051682403059$i | $ 4.0079\times 10^{-7}$ |
| $16$ | $0.039933126483704 + 0.010051376635457$i | $2.2838\times 10^{-8}$ |
| $I_2[f]$ | $0.039933113640080 + 0.010051357751089$i | |
$10^4$ | $4$ | $-0.011029528472103 + 0.006076933181873$i | $ 3.2103\times 10^{-5}$ |
| $8$ | $-0.011017821931600 + 0.006106493146584$i | $ 4.4922\times 10^{-7}$ |
| $16$ | $-0.011017425972600 + 0.006106651469012$i | $2.2836\times 10^{-8}$ |
| $I_2[f]$ | $-0.011017404229602 + 0.006106658450131$i | |