Finite Group Databasebeta
Cayley diagram

C2×#2657 #34622

order256
nilpotency class2
isoclinismisoclinic class of #2613
automorphismAut(G) order 25165824
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C26×C43

Aliases

direct productC2×#2657

Subgroups

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

2571 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 18
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 5 generators on 18 points:

(1,2);(3,4,5,6)(11,12)(13,15)(14,16)(17,18);(7,8,9,10)(11,12,14,16)(13,15,18,17);(3,4)(5,6)(7,8)(9,10)(11,12)(13,17)(14,16)(15,18);(11,13,14,18)(12,15,16,17)

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

Fitting subgroup ofC2×#2657⋊C3, C2×#11711254, #72278347
maximal subgroup of#111919, #111925, #112276, …
maximal normal subgroup of#111919, #111925, #112276, …
maximal quotient ofC2×#14272, C2×#14273, C2×#14321, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 27610);