Finite Group DatabasebetaFinite Group Databasebeta| order | 128 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #120 |
| automorphism | Aut(G) order 24576 |
| homology | Abelianization (H1) = C22×C8 · Schur multiplier (H2) = C26 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, Frattini, cosocle | C22×C4 | C23 |
| commutator | C22 | C22×C8 |
| socle | C23 | C22×C4 |
| prime radical | C25 | C4 |
| LCS | G ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C22×C4 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
426 conjugacy classes of subgroups.
| minimal degree | μ(G) = 16 |
| transitive degree | μt(G) = 32 |
A minimal faithful permutation representation — 3 generators on 16 points:
(1,2)(3,4)(5,6)(7,8)(9,10,11,13,12,14,15,16);(2,4);(6,8)Polycyclic presentation:
2^7|a^2=f,f^2=g,b^a=bd,c^a=ce56 conjugacy classes — view the full character table.
| Frattini subgroup of | #93671, #93672, #93684, … |
| Fitting subgroup of | #1779⋊C3, #11710944, #1020⋊C8, … |
| maximal subgroup of | #7032, #7035, #7047, … |
| maximal normal subgroup of | #7032, #7035, #7047, … |
| maximal quotient of | #8298, #8299, #8300, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(128, 511);