Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #34980 |
| automorphism | Aut(G) order 524288 |
| homology | Abelianization (H1) = C25 · Schur multiplier (H2) = C27×C4 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, commutator, Frattini, socle, cosocle | C23 | C25 |
| prime radical | C2×#525 | C2 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
1257 conjugacy classes of subgroups.
| minimal degree | μ(G) = 28 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 5 generators on 28 points:
(2,4)(7,11)(9,12)(16,23)(20,25)(22,27)(26,28);(1,2)(3,4)(5,6,8,10)(7,9,11,12)(14,18)(15,21)(20,25)(22,27);(5,7)(6,9)(8,11)(10,12)(13,14)(15,19)(16,20)(17,18)(21,24)(22,26)(23,25)(27,28);(13,15,17,21)(14,19,18,24)(16,22,23,27)(20,26,25,28);(13,16)(14,20)(15,22)(17,23)(18,25)(19,26)(21,27)(24,28)Polycyclic presentation:
2^8|b^2=g,d^2=h,b^a=bf,c^a=cg,e^a=eh,c^b=ch,d^b=dh64 conjugacy classes — view the full character table.
| maximal subgroup of | #113045, #113635, #201111, … |
| maximal normal subgroup of | #113045, #113635, #201111, … |
| maximal quotient of | #516387, #516398, #516613, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 28145);