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Under the coronal magnetic field, we estimate the maximal jet power of theBlandford-\Znajek (BZ) mechanism, Blandford-\Payne (BP) mechanism, and hybridmodel. The jet power of the BZ and Hybrid model mechanisms depends on the spinof a black hole, while the jet power of the BP mechanism does not depend on thespin of a black hole. At high black hole spin, the jet power of the hybridmodel is greater than that of the BZ and BP mechanisms. We find that the jetpower of almost all gamma-\ray narrow line Seyfert 1 galaxies (gamma-\NLS1s)can be explained by the hybrid model. However, one source with jet power 0.1~\1Eddington luminosity can not be explained by the hybrid model. We suggest thatthe magnetic field dragged inward by the accretion disk withmagnetization-\driven outflows may accelerate the jets in this gamma-\NLS1.

The jet formation mechanism of Gamma-ray Narrow-line Seyfert 1 Galaxies