Finite Group Databasebeta
Cayley diagram

C4×#563 #34354

order256
nilpotency class2
isoclinismisoclinic class of #560
automorphismAut(G) order 131072
homologyAbelianization (H1) = C24×C4 · Schur multiplier (H2) = C28

Aliases

direct productC4×#563

Subgroups

subgroupG/H
centerC22×C4C24
commutatorC22C24×C4
Frattini, socle, cosocleC23C25
prime radicalC22×D4C23
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C22×C4 ◁ G
LECSG ▷ C23 ▷ C1

1012 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 28
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 5 generators on 28 points:

(1,2,3,4);(5,6)(7,9)(8,10)(11,12)(13,14,17,20)(15,21,23,18)(16,19,25,28)(22,27,24,26);(5,7)(6,9)(8,11)(10,12)(13,15,17,23)(14,18,20,21)(16,24,25,22)(19,27,28,26);(6,10)(7,11)(13,16,17,25)(14,19,20,28)(15,22,23,24)(18,26,21,27);(6,10)(9,12)(14,20)(15,23)(19,28)(22,24)

Conjugacy classes & character table

76 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#97001, #129582, #129612, …
maximal normal subgroup of#97001, #129582, #129612, …
maximal quotient ofC4×#2376, C4×#2378, C4×#2379, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 27342);