Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #14715 |
| automorphism | Aut(G) order 65536 |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C24 |
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 | |
561 conjugacy classes of subgroups.
| minimal degree | μ(G) = 28 |
| transitive degree | μt(G) = 256 |
A minimal faithful permutation representation — 4 generators on 28 points:
(5,6,8,10)(7,11,12,9)(15,19)(17,20)(21,22,25,28)(23,27,24,26);(2,4)(13,14,16,18)(15,17,19,20)(21,23,25,24)(22,26,28,27);(1,2)(3,4)(5,6)(7,9)(8,10)(11,12)(13,14)(15,17)(16,18)(19,20)(21,24,25,23)(22,27,28,26);(5,7,8,12)(6,9,10,11)(13,15)(14,17)(16,19)(18,20)(21,22)(23,26)(24,27)(25,28)Polycyclic presentation:
2^8|a^2=f,b^2=efh,c^2=e,d^2=ef,b^a=be,c^a=cf,d^a=dh,c^b=cg64 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#14994, #608045, #608078, … |
| maximal normal subgroup of | C2×#14994, #608045, #608078, … |
| maximal quotient of | #154151, #154231, #154234, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 7982);