Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #16249 |
| automorphism | Aut(G) order 65536 |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C2×C42 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, commutator, Frattini, socle, prime radical, cosocle | C24 | C24 |
| LCS | G ▷ C24 ▷ C1 | |
| UCS | C1 ◁ C24 ◁ G | |
| LECS | G ▷ C24 ▷ C1 | |
547 conjugacy classes of subgroups.
| minimal degree | μ(G) = 28 |
| transitive degree | μt(G) = 256 |
A minimal faithful permutation representation — 4 generators on 28 points:
(2,4)(5,6)(7,9)(8,11)(10,12)(13,14,16,18)(15,19,20,17)(21,22,24,26)(23,25,27,28);(6,7)(10,11)(21,23,24,27)(22,25,26,28);(5,7,9,6)(8,10,12,11)(13,15,16,20)(14,17,18,19)(21,23)(22,25)(24,27)(26,28);(1,2)(3,4)(5,8,9,12)(6,10,7,11)(13,14)(15,17)(16,18)(19,20)(21,22)(23,25)(24,26)(27,28)Polycyclic presentation:
2^8|a^2=fg,b^2=eg,c^2=f,d^2=e,b^a=be,c^a=cf,d^a=dh,c^b=cg,d^c=de52 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#16571, #611144, #611183, … |
| maximal normal subgroup of | C2×#16571, #611144, #611183, … |
| maximal quotient of | #155658, #155687, #155867, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 9559);