Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #3532 |
| automorphism | ? |
| homology | Abelianization (H1) = C26 · Schur multiplier (H2) = C213 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center | C2×C4 | C25 |
| commutator, Frattini, socle, cosocle | C22 | C26 |
| LCS | G ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C2×C4 ◁ G | |
| LECS | G ▷ C22 ▷ C1 | |
3317 conjugacy classes of subgroups.
| minimal degree | μ(G) = 32 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 6 generators on 32 points:
(1,2)(3,9)(4,8)(5,7)(6,10)(11,15)(12,14)(13,16)(17,18)(19,22)(20,27)(21,24)(23,28)(25,31)(26,30)(29,32);(1,3)(2,6)(4,11)(5,10)(7,9)(8,13)(12,16)(14,15)(17,19)(18,22)(20,25)(21,26)(23,29)(24,30)(27,31)(28,32);(3,10)(6,9)(11,16)(13,15)(17,20,21,28)(18,23,24,27)(19,25,26,32)(22,29,30,31);(2,7)(6,9)(8,14)(13,15)(19,26)(22,30)(25,32)(29,31);(18,24)(22,30)(23,27)(29,31);(1,4,5,12)(2,8,7,14)(3,11,10,16)(6,13,9,15)Polycyclic presentation:
2^8|c^2=h,f^2=g,b^a=bg,c^a=ch,d^a=dg,e^a=eh,c^b=cg,d^b=dh76 conjugacy classes — view the full character table.
| maximal subgroup of | #185876, #185878, #185880, … |
| maximal normal subgroup of | #185876, #185878, #185880, … |
| maximal quotient of | #7625958, #7625986, #7626002, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 55731);