Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #37644 |
| automorphism | Aut(G) order 131072 |
| homology | Abelianization (H1) = C25 · Schur multiplier (H2) = C28 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, commutator, Frattini, socle, cosocle | C23 | C25 |
| prime radical | C2×#121 | C22 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
1056 conjugacy classes of subgroups.
| minimal degree | μ(G) = 28 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 28 points:
(1,2,3,4)(14,16)(15,21)(20,24)(23,27);(5,6,8,10)(7,11,12,9)(13,14,18,16)(15,19,21,22)(17,24,25,20)(23,28,27,26);(1,2)(3,4)(5,6)(7,9)(8,10)(11,12)(13,15)(14,19)(16,22)(17,23)(18,21)(20,26)(24,28)(25,27);(13,16,18,14)(15,22,21,19)(17,24,25,20)(23,28,27,26);(5,7,8,12)(6,9,10,11)(13,17,18,25)(14,20,16,24)(15,23,21,27)(19,26,22,28)Polycyclic presentation:
2^8|a^2=fg,b^2=fh,d^2=f,e^2=fh,b^a=bf,c^a=cg,d^a=df,c^b=ch,e^b=efh58 conjugacy classes — view the full character table.
| maximal subgroup of | #98382, #247419, #247420, … |
| maximal normal subgroup of | #98382, #247419, #247420, … |
| maximal quotient of | #521598, #522230, #522884, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 32127);