Finite Group Databasebeta
Cayley diagram

C4×#547 #34159

order256
nilpotency class2
isoclinismisoclinic class of D42
automorphismAut(G) order 131072
homologyAbelianization (H1) = C24×C4 · Schur multiplier (H2) = C29

Aliases

direct productC4×#547

Subgroups

subgroupG/H
centerC22×C4C24
commutatorC22C24×C4
Frattini, socle, cosocleC23C25
prime radicalC2×#547C2
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C22×C4 ◁ G
LECSG ▷ C23 ▷ C1

1634 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 16
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 5 generators on 16 points:

(1,2,3,4);(5,6)(7,8)(9,10,13,12)(11,15,16,14);(9,11)(10,14)(12,15)(13,16);(6,8)(9,12,13,10)(11,15,16,14);(11,16)(14,15)

Conjugacy classes & character table

100 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#97661, C4×#1625, C4×#1635, …
maximal normal subgroup of#97661, C4×#1625, C4×#1635, …
maximal quotient ofC4×#2354, C4×#2344, C4×D4×C4⋊C4, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 27147);