It would be the same an F sharp. So just the middle valve.
It is the same as F# so 123 for the low g flat and 2 for the higher one.
On a standard Bb trumpet, the fingering for a bottom-line Eb is 12 and the fingering for all higher Ebs is 2.
If using a B-flat trumpet, to play Taps in G, hold down the 1st and 2nd valves the whole time.
High G uses an open fingering.
1 and 3
it is the first valve
On a standard Bb trumpet, the fingering for Ab is 23.
On a standard Bb trumpet the fingering for a high G is open. An alternate fingering is 13.
On a standard Bb trumpet, the fingering for low G is 13 and the fingering for higher Gs is open.
On a standard Bb trumpet, the fingering for a bottom-line Eb is 12 and the fingering for all higher Ebs is 2.
If using a B-flat trumpet, to play Taps in G, hold down the 1st and 2nd valves the whole time.
2nd and 3rd valve
On a standard Bb Trumpet, the fingering for a low Eb is 23 and the fingering for higher Ebs is 2.
High G uses an open fingering.
1 and 3
it is the first valve
Pick one fingering and only play those notes. Traditionally, bugles are tuned in G, so the equivalent would be 1st and 2nd valve on a B-flat trumpet.
All open, or 1st and 3rd for the G below the staff.