Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #23860 |
| automorphism | Aut(G) = C211×D4 (order 16384) · Inn(G) = C22×D4 · Out(G) = C29 |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C24 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C23 | C22×D4 |
| commutator, Frattini, cosocle | C22×C4 | C24 |
| prime radical | C2×#121 | C22 |
| LCS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ C4×C22⋊C4 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
407 conjugacy classes of subgroups.
| minimal degree | μ(G) = 28 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 4 generators on 28 points:
(1,2,3,4)(5,6)(7,12)(8,10)(9,11)(13,14)(15,21)(16,18)(17,20)(19,23)(22,27)(24,26)(25,28);(5,7,9,8)(6,10,11,12)(14,18)(15,22)(17,24)(19,27)(21,28)(23,25);(2,4)(5,8,9,7)(6,10,11,12)(13,15,16,23)(14,19,18,21)(17,25,24,22)(20,27,26,28);(6,11)(10,12)(14,18)(15,23)(20,26)(22,25)Polycyclic presentation:
2^8|a^2=fh,b^2=eh,c^2=e,g^2=h,b^a=be,c^a=cf,d^a=de,c^b=cg,g^b=gh,d^c=dh,g^c=gh46 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#24591, #6453071, #6453077, … |
| maximal normal subgroup of | C2×#24591, #6453071, #6453077, … |
| maximal quotient of | #275331, #275332, #275333, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 17579);