Finite Group Databasebeta
Cayley diagram

C2×#2957 #60181

order256
nilpotency class3
isoclinismisoclinic class of #576
automorphismAut(G) order 32768
homologyAbelianization (H1) = C24×C4 · Schur multiplier (H2) = C29

Aliases

direct productC2×#2957

Subgroups

subgroupG/H
centerC2×C4C22×D4
commutatorC4C24×C4
Frattini, cosocleC2×C4C25
socleC22C2×C4×D4
prime radicalC22×#135C2
LCSG ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C22×M16 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

1321 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 34
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 5 generators on 34 points:

(1,2);(3,4,8,13,9,12,7,21)(5,14,16,10,17,25,22,24)(6,11,20,26,18,27,19,31)(15,28,30,23,29,33,32,34);(3,5)(4,10)(6,15)(7,22)(8,16)(9,17)(11,23)(12,24)(13,25)(14,21)(18,29)(19,32)(20,30)(26,33)(27,34)(28,31);(3,6,8,20,9,18,7,19)(4,11,13,26,12,27,21,31)(5,15,16,30,17,29,22,32)(10,23,25,33,24,34,14,28);(4,12)(6,18)(10,24)(13,21)(14,25)(15,29)(19,20)(30,32)

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#129524, #146731, #146732, …
maximal normal subgroup of#129524, #146731, #146732, …
maximal quotient ofC2×#17854, C2×#17855, C2×#17856, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 53169);