Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 4 |
| isoclinism | isoclinic class of #2184 |
| automorphism | Aut(G) order 4096 |
| homology | Abelianization (H1) = C22×C4 · Schur multiplier (H2) = C4 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center | C2×C4 | C2×D8 |
| commutator | C2×C8 | C22×C4 |
| Frattini, cosocle | C4×C8 | C23 |
| socle | C22 | C2×#107 |
| prime radical | C23 | #107 |
| LCS | G ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C2×C4 ◁ C2×C42 ◁ C2×C4×C8 ◁ G | |
| LECS | G ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1 | |
102 conjugacy classes of subgroups.
| minimal degree | μ(G) = 48 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 3 generators on 48 points:
(1,2,4,7,5,8,11,14)(3,6,10,13,9,12,15,16)(17,18)(19,28)(20,25)(21,35)(22,37)(23,27)(24,31)(26,29)(30,41)(32,47)(33,43)(34,40)(36,48)(38,45)(39,46)(42,44);(1,3)(2,6)(4,10)(5,9)(7,13)(8,12)(11,15)(14,16)(17,19,29,44,22,32,36,46,23,33,34,45,20,30,21,31)(18,24,35,41,25,38,40,43,27,39,48,47,37,42,26,28);(3,9)(6,12)(10,15)(13,16)(17,20,23,22)(18,25,27,37)(19,30,33,32)(21,34,36,29)(24,38,39,42)(26,35,40,48)(28,41,43,47)(31,45,46,44)Polycyclic presentation:
2^8|a^2=e,b^2=df,c^2=h,d^2=fh,e^2=g,f^2=h,b^a=bd,d^a=df,f^a=fh,c^b=cg58 conjugacy classes — view the full character table.
| maximal subgroup of | #146118, #146119, #146120, … |
| maximal normal subgroup of | #146118, #146119, #146120, … |
| maximal quotient of | #126703, #129129, #129130, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 5022);