Finite Group Databasebeta
Cayley diagram

C2×#2104 #23846

order256
nilpotency class3
isoclinismisoclinic class of #2104
automorphismAut(G) order 57344
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C24

Aliases

direct productC2×#2104

Subgroups

subgroupG/H
center, socleC22#401
commutator, Frattini, cosocleC24C24
prime radicalC25C23
LCSG ▷ C24 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C25 ◁ G
LECSG ▷ C24 ▷ C2 ▷ C1

411 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 18
transitive degreeμt(G) = 32

A minimal faithful permutation representation — 4 generators on 18 points:

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

Conjugacy classes & character table

46 conjugacy classes — view the full character table.

Relationships

Fitting subgroup ofC2×#2104⋊C7
maximal subgroup ofC4×#2104, #2104⋊C4, C22⋊#2104, …
maximal normal subgroup ofC4×#2104, #2104⋊C4, C22⋊#2104, …
maximal quotient ofC2×#10690, C2×#10691, #244495, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 16834);