Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #3003 |
| automorphism | Aut(G) = C211×D4 (order 16384) · Inn(G) = C22×D4 · Out(G) = C29 |
| homology | Abelianization (H1) = C23×C4 · Schur multiplier (H2) = C24 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C23 | C22×D4 |
| commutator | C2×C4 | C23×C4 |
| Frattini, cosocle | C22×C4 | C24 |
| prime radical | C24 | C2×D4 |
| LCS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ C22×C42 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
438 conjugacy classes of subgroups.
| minimal degree | μ(G) = 28 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 4 generators on 28 points:
(1,2,4,3)(5,6)(7,10)(8,9)(11,12)(13,14)(15,19)(16,21)(17,20)(18,22)(23,27)(24,26)(25,28);(6,9)(10,12)(13,15,18,25)(14,19,22,28)(16,23,17,24)(20,26,21,27);(5,7,8,11)(6,10,9,12)(14,20)(16,17)(19,26)(21,22)(23,24)(27,28);(1,3,4,2)(13,16,18,17)(14,21,22,20)(15,23,25,24)(19,27,28,26)Polycyclic presentation:
2^8|a^2=g,b^2=h,c^2=e,d^2=gh,f^2=h,b^a=be,c^a=cf,f^a=fh,d^c=dh,f^c=fh64 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#21583, #6373039, C4×#3093, … |
| maximal normal subgroup of | C2×#21583, #6373039, C4×#3093, … |
| maximal quotient of | #212023, #212035, #212065, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 14571);