Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #45438 |
| automorphism | Aut(G) = C215 (order 32768) · Inn(G) = C25 · Out(G) = C210 |
| homology | Abelianization (H1) = C25 · Schur multiplier (H2) = C27 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, commutator, Frattini, socle, cosocle | C23 | C25 |
| prime radical | #392 | C22 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
763 conjugacy classes of subgroups.
| minimal degree | μ(G) = 32 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 32 points:
(1,2,6,7)(3,4,5,8)(10,13)(14,16)(18,22)(19,25)(24,29)(26,31);(2,7)(3,5)(18,22)(19,25)(20,27)(30,32);(1,3,6,5)(2,8,7,4)(9,10,12,13)(11,14,15,16)(17,18)(19,23)(20,24)(21,22)(25,28)(26,30)(27,29)(31,32);(1,4)(2,3)(5,7)(6,8)(9,11,12,15)(10,14,13,16)(17,19,21,25)(18,23,22,28)(20,26,27,31)(24,30,29,32);(1,5,6,3)(2,4,7,8)(17,20)(18,24)(19,26)(21,27)(22,29)(23,30)(25,31)(28,32)Polycyclic presentation:
2^8|a^2=f,c^2=fgh,d^2=fg,e^2=f,b^a=bf,c^a=cg,d^a=dh,e^a=ef,c^b=ch,d^b=dfh,e^b=eh52 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#45885, #7702476, #7702509, … |
| maximal normal subgroup of | C2×#45885, #7702476, #7702509, … |
| maximal quotient of | #557260, #557320, #557422, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 38873);