Gmaj11 is G, B, D, F#, A and C. Its natural is the same note name as the 4th, while the major 3rd remains.
In a close voicing, sits one fret above . A sharp 11th raises that note one more fret; Gmaj11 calls for the natural 11th.
Let both notes sound only when you want that close interval heard. For the sharp 11th instead, played without a 5th, the chord is .
Also written GM11, GΔ11 or G major 11.

Gmaj11 in root position puts G in the bass, which is the chord as it is spelled: the note it is named after underneath everything else.
6 of Gmaj11’s 7 shapes do this:32xx12334433334435xx5577x-10-9-11-8-8x-10-10-11-12-10
How you get to it. The turn that lands on Gmaj11 is to — the ii and the V of G — and shares its third and seventh with , so the hand barely moves between them.
Hear it land:→→
In which keys. Every note of Gmaj11 belongs to E minor (the ♭III) and G major (the I, the tonic).
Contains Gmaj11 and adds thirteenth.
The common shapes and the derived voicings come from different places, and both are explained in how this site is built.
Shows each chord the way this style would voice it, and marks which of its alternatives belong to the idiom.