Finite Group Databasebeta
Cayley diagram

C2×#2742 #52177

order256
nilpotency class2
isoclinismisoclinic class of #2668
automorphismAut(G) order 1048576
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C27

Aliases

direct productC2×#2742

Subgroups

subgroupG/H
center, socleC24C24
commutator, Frattini, cosocleC23C25
prime radicalC25C23
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C23 ▷ C1

1111 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 26
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 5 generators on 26 points:

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

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#131511, C2×#12178, C2×#12254, …
maximal normal subgroup of#131511, C2×#12178, C2×#12254, …
maximal quotient ofC2×#14370, C2×#14402, C2×#14459, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 45165);