Finite Group DatabasebetaFinite Group Databasebeta| order | 128 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #2668 |
| automorphism | Aut(G) = C212 (order 4096) · Inn(G) = C24 · Out(G) = C28 |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C23 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, commutator, Frattini, socle, prime radical, cosocle | C23 | C24 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
172 conjugacy classes of subgroups; only the 88 normal subgroups are shown.
This group has 172 conjugacy classes of subgroups — too many to draw. Only its 88 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 4 generators on 24 points:
(1,2,5,4)(3,7,8,6)(11,14)(12,16)(18,21)(19,23);(2,4)(3,8)(9,10,13,15)(11,12,14,16)(17,18,20,21)(19,24,23,22);(1,3,5,8)(2,6,4,7)(9,11,13,14)(10,12,15,16);(1,4,5,2)(3,7,8,6)(9,12)(10,14)(11,15)(13,16)(17,19,20,23)(18,22,21,24)Polycyclic presentation:
2^7|a^2=g,b^2=ef,c^2=f,d^2=e,b^a=be,c^a=cf,d^a=def,c^b=cg,d^b=de32 conjugacy classes — view the full character table.
| maximal subgroup of | #36763, #36774, #36781, … |
| maximal normal subgroup of | #36763, #36774, #36781, … |
| maximal quotient of | #14386, #14394, #14400, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(128, 1499);