why brahma is lower than god?

[confusedlayman]

And how has a monk attained to the gods?
Kathañca, bhikkhave, bhikkhu devappatto hoti?
It’s when a monk, quite secluded from sensual pleasures, secluded from unskillful qualities, enters and remains in the first absorption …
Idha, bhikkhave, bhikkhu vivicceva kāmehi …pe… paṭhamaṁ jhānaṁ upasampajja viharati;
As the placing of the mind and keeping it connected are stilled, they enter and remain in the second absorption … third absorption … fourth absorption …
vitakkavicārānaṁ vūpasamā …pe… dutiyaṁ jhānaṁ …pe… tatiyaṁ jhānaṁ …pe… catutthaṁ jhānaṁ upasampajja viharati.
That’s how a monk has attained to the gods.
Evaṁ kho, bhikkhave, bhikkhu devappatto hoti.
And how has a monk attained to Brahmā?
Kathañca, bhikkhave, bhikkhu brahmappatto hoti?
Firstly, a monk meditates spreading a heart full of love to one direction, and to the second, and to the third, and to the fourth. In the same way above, below, across, everywhere, all around, they spread a heart full of love to the whole world—abundant, expansive, limitless, free of enmity and ill will.
Idha, bhikkhave, bhikkhu mettāsahagatena cetasā ekaṁ disaṁ pharitvā viharati, tathā dutiyaṁ tathā tatiyaṁ tathā catutthaṁ. Iti uddhamadho tiriyaṁ sabbadhi sabbattatāya sabbāvantaṁ lokaṁ mettāsahagatena cetasā vipulena mahaggatena appamāṇena averena abyāpajjena pharitvā viharati.
Furthermore, a monk meditates spreading a heart full of compassion …
Karuṇā …
rejoicing …
muditā …
equanimity to one direction, and to the second, and to the third, and to the fourth. In the same way above, below, across, everywhere, all around, they spread a heart full of equanimity to the whole world—abundant, expansive, limitless, free of enmity and ill will.
upekkhāsahagatena cetasā ekaṁ disaṁ pharitvā viharati, tathā dutiyaṁ tathā tatiyaṁ tathā catutthaṁ. Iti uddhamadho tiriyaṁ sabbadhi sabbattatāya sabbāvantaṁ lokaṁ upekkhāsahagatena cetasā vipulena mahaggatena appamāṇena averena abyāpajjena pharitvā viharati.
That’s how a monk has attained to Brahmā.

practicing jhana leads to god but not to brahma but brahmavihara leads to brahma how?

[SarathW]

According to the following chart Brahma is attained only the First Jhana.

https://www.accesstoinsight.org/ptf/dha ... /loka.html