Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #3264 |
| automorphism | Aut(G) = C28×D4 (order 2048) · Inn(G) = C22×D4 · Out(G) = C26 |
| homology | Abelianization (H1) = C23×C4 · Schur multiplier (H2) = C24 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center | C2×C4 | C22×D4 |
| commutator | C2×C4 | C23×C4 |
| Frattini, cosocle | C42 | C24 |
| socle | C22 | C2×C4×D4 |
| prime radical | C2×#41 | C2×C4 |
| LCS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C2×C4 ◁ #431 ◁ G | |
| LECS | G ▷ C42 ▷ C22 ▷ C1 | |
313 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 4 generators on 24 points:
(1,2,4,7,5,3,6,8)(10,14)(12,19)(15,21)(16,20)(18,23)(22,24);(9,10,13,16)(11,15,17,22)(12,20,19,14)(18,24,23,21);(1,3,4,8,5,2,6,7)(9,11)(10,15)(12,18)(13,17)(14,21)(16,22)(19,23)(20,24);(2,3)(7,8)(11,17)(15,22)(18,23)(21,24)Polycyclic presentation:
2^8|a^2=f,b^2=g,c^2=f,e^2=g,f^2=h,b^a=be,d^a=dh,e^a=eg,e^b=eg,d^c=dgh58 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#18051, #6345040, #6345060, … |
| maximal normal subgroup of | C2×#18051, #6345040, #6345060, … |
| maximal quotient of | #183196, #183199, #183665, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 11039);