Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #3484 |
| automorphism | Aut(G) order 131072 |
| homology | Abelianization (H1) = C24×C4 · Schur multiplier (H2) = C28 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, Frattini, socle, cosocle | C23 | C25 |
| commutator | C22 | C24×C4 |
| prime radical | C2×#121 | C22 |
| LCS | G ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
1093 conjugacy classes of subgroups.
| minimal degree | μ(G) = 28 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 28 points:
(1,2,4,3)(6,9)(10,12)(13,14)(15,20)(16,21)(17,25)(18,19)(22,26)(23,24)(27,28);(1,3,4,2)(14,19)(16,20)(22,25)(24,27);(5,6)(7,10)(8,9)(11,12)(13,15,18,21)(14,20,19,16)(17,23,26,28)(22,27,25,24);(13,16,18,20)(14,21,19,15)(17,24,26,27)(22,28,25,23);(5,7,8,11)(6,10,9,12)(13,17,18,26)(14,22,19,25)(15,23,21,28)(16,24,20,27)Polycyclic presentation:
2^8|a^2=h,b^2=h,c^2=f,d^2=f,e^2=fg,b^a=bf,c^a=cg,e^a=ef,d^b=df88 conjugacy classes — view the full character table.
| maximal subgroup of | #108292, #190384, #199467, … |
| maximal normal subgroup of | #108292, #190384, #199467, … |
| maximal quotient of | #513568, #513585, #513586, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 27225);