Support for the two groups in government has fallen slightly over the summer, according to a new opinion poll.

The Red C poll for the Sunday Business Post also shows a slight drop support for Fianna Fáil, despite the fact that the usually quiet summer period is often reflected in rising support for the parties in government. 

Despite the two point drop, Fianna Fáil - which is supporting the government from outside - remains the most popular party on 27%.

Fine Gael saw their support fall one point to 25%, while the Independent Alliance also dropped one point to 4%.

Sinn Fein once again enjoyed a gain, after a poll just last week showed their support was on the rise. Their increase here is slightly lower than the previous one, up two to 15%. 

Labour are up one to 7%, while independents are on 10%, up three.  

The Social Democrats remained steady at 4% despite the loss of Stephen Donnelly recently, while the Anti-Austerity Alliance/People Before Profit (AA/PBP) are on 6%.  

The full results of the poll are:

Fianna Fail 27 (-2 since July)

Fine Gael 25 (-1)

Sinn Fein 15 (+2)

Inds 10 (+3)

Labour 7 (+1)

AAA-PBP 6 (+1)

Indep Alliance 4 (-1)

Soc Dems 4

Green Party 2 (-2)