Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #18682 |
| automorphism | Aut(G) order 4096 |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C25 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | C2×#120 |
| commutator, Frattini, cosocle | C42 | C24 |
| LCS | G ▷ C42 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C2×C42 ◁ G | |
| LECS | G ▷ C42 ▷ C22 ▷ C1 | |
454 conjugacy classes of subgroups.
| minimal degree | μ(G) = 32 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 4 generators on 32 points:
(2,6)(4,11)(7,13)(8,12)(10,15)(14,16)(17,18)(19,27)(20,25)(21,24)(22,26)(23,29)(28,32)(30,31);(1,2,5,8)(3,7,9,14)(4,12,11,6)(10,16,15,13)(17,19,22,30)(18,23,26,32)(20,28,21,29)(24,31,25,27);(1,3)(2,7)(4,10)(5,9)(6,13)(8,14)(11,15)(12,16)(18,24)(20,21)(23,31)(25,26)(27,32)(28,29);(3,9)(7,14)(10,15)(13,16)(17,20,22,21)(18,25,26,24)(19,28,30,29)(23,27,32,31)Polycyclic presentation:
2^8|b^2=g,d^2=h,e^2=g,f^2=h,b^a=be,c^a=cf,e^a=eg,f^a=fh,e^b=eg,f^b=fh,d^c=dg,e^c=eh,f^c=fh40 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#18706, #6348312, #6348315, … |
| maximal normal subgroup of | C2×#18706, #6348312, #6348315, … |
| maximal quotient of | #167785, #167815, #167855, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 11694);