Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #61643 |
| automorphism | ? |
| homology | Abelianization (H1) = C25 · Schur multiplier (H2) = C28 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | C23×D4 |
| commutator, Frattini, cosocle | C2×C4 | C25 |
| LCS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ #532 ◁ G | |
| LECS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
1044 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 5 generators on 24 points:
(1,2)(3,7)(4,6)(5,8)(10,16)(11,19)(13,15)(17,24)(20,21)(22,23);(1,3)(2,5)(4,8)(6,7)(9,10,14,16)(11,20,22,17)(12,15,18,13)(19,24,23,21);(9,11)(10,17)(12,21)(13,19)(14,22)(15,23)(16,20)(18,24);(3,8)(5,7)(9,12,14,18)(10,13,16,15)(11,21,22,24)(17,19,20,23);(2,6)(5,7)(9,13,14,15)(10,18,16,12)(11,19,22,23)(17,24,20,21)Polycyclic presentation:
2^8|b^2=h,d^2=h,e^2=h,g^2=h,b^a=bf,c^a=cg,e^a=ef,g^a=gh,c^b=ch,d^b=df,e^b=eh,g^c=gh,e^d=eh46 conjugacy classes — view the full character table.
| maximal subgroup of | #249801, #249802, #249821, … |
| maximal normal subgroup of | #249801, #249802, #249821, … |
| maximal quotient of | #6386060, #6387678, #6387679, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 54665);