Finite Group DatabasebetaFinite Group Databasebeta| order | 128 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #2812 |
| automorphism | Aut(G) order 12288 |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C2×C42 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, commutator, Frattini, socle, cosocle | C23 | C24 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
261 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 4 generators on 24 points:
(2,5)(6,8)(9,10)(11,14)(12,13)(15,16)(17,18,21,22)(19,23,24,20);(3,7)(6,8)(10,13)(11,15)(19,24)(20,23);(1,2)(3,6)(4,5)(7,8)(9,10)(11,16)(12,13)(14,15)(17,19)(18,20)(21,24)(22,23);(1,3)(2,6)(4,7)(5,8)(9,11)(10,14)(12,15)(13,16)(17,20)(18,19)(21,23)(22,24)Polycyclic presentation:
2^7|a^2=eg,b^a=be,c^a=cf,c^b=cg,d^b=def,d^c=de26 conjugacy classes — view the full character table.
| Fitting subgroup of | #2825⋊C3 |
| maximal subgroup of | C2×#2825, #36670, #36676, … |
| maximal normal subgroup of | C2×#2825, #36670, #36676, … |
| maximal quotient of | #14621, #14637, #14642, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(128, 1557);