Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #24384 |
| automorphism | Aut(G) = C211×D4 (order 16384) · Inn(G) = C22×D4 · Out(G) = C29 |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C25 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C23 | C22×D4 |
| commutator, Frattini, cosocle | C22×C4 | C24 |
| prime radical | C2×#121 | C22 |
| LCS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ C22×C42 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
493 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 4 generators on 24 points:
(2,3)(9,10,12,16,13,15,21,23)(11,17,18,22,19,24,20,14);(1,2,4,3)(5,6)(7,8);(6,8)(9,11,13,19)(10,14,15,22)(12,20,21,18)(16,24,23,17);(1,3,4,2)(10,15)(14,22)(16,23)(17,24)Polycyclic presentation:
2^8|a^2=f,b^2=e,c^2=h,d^2=e,f^2=h,b^a=be,c^a=cf,d^a=deh,c^b=cg,f^c=fh46 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#24757, #6442974, #6442985, … |
| maximal normal subgroup of | C2×#24757, #6442974, #6442985, … |
| maximal quotient of | #277116, #277122, #277128, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 17745);