Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #24390 |
| automorphism | Aut(G) = C211×D4 (order 16384) · Inn(G) = C22×D4 · Out(G) = C29 |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C22×C4 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C23 | C22×D4 |
| commutator, Frattini, cosocle | C22×C4 | C24 |
| prime radical | #1999 | C2 |
| LCS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ C2×#117 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
399 conjugacy classes of subgroups.
| minimal degree | μ(G) = 32 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 4 generators on 32 points:
(1,2)(3,7)(4,5)(6,8)(9,10)(11,15)(12,14)(13,16)(17,18,20,24,21,25,28,23)(19,22,27,31,26,30,32,29);(2,5)(6,7)(9,11)(10,13)(12,16)(14,15)(17,19)(18,22)(20,27)(21,26)(23,29)(24,31)(25,30)(28,32);(11,16)(13,15)(18,23)(20,28)(22,29)(24,25)(27,32)(30,31);(1,3,4,8)(2,6,5,7)(10,14)(13,15)(19,26)(22,30)(27,32)(29,31)Polycyclic presentation:
2^8|a^2=f,d^2=eg,f^2=h,b^a=be,c^a=cf,d^a=de,c^b=cg,d^b=dh,f^c=fh46 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#29468, #6464238, #6464252, … |
| maximal normal subgroup of | C2×#29468, #6464238, #6464252, … |
| maximal quotient of | #363399, #363775, #371514, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 22456);