Finite Group DatabasebetaFinite Group Databasebeta| order | 128 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #1705 |
| automorphism | Aut(G) order 8192 |
| homology | Abelianization (H1) = C23 · Schur multiplier (H2) = C8 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | #127 |
| commutator, Frattini, cosocle | C42 | C23 |
| prime radical | #127 | C22 |
| LCS | G ▷ C42 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C42 ◁ G | |
| LECS | G ▷ C42 ▷ C22 ▷ C1 | |
95 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 3 generators on 24 points:
(2,5)(3,7)(6,8)(9,10)(11,17)(12,20)(13,15)(14,18)(16,21)(19,23)(22,24);(9,11,12,18,13,19,21,24)(10,14,16,17,15,22,20,23);(1,2,3,5,4,6,7,8)(10,15)(14,22)(16,20)(17,23)Polycyclic presentation:
2^7|b^2=d,c^2=ef,d^2=f,e^2=g,b^a=bd,c^a=ce,d^a=df,e^a=eg38 conjugacy classes — view the full character table.
| maximal subgroup of | #7536, #12365, C2×#1708, … |
| maximal normal subgroup of | #7536, #12365, C2×#1708, … |
| maximal quotient of | #8815, #9819, #9820, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(128, 440);