Finite Group Databasebeta
Cayley diagram

C2×#2253 #33724

order256
nilpotency class4
isoclinismisoclinic class of #2215
automorphismAut(G) order 131072
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C24

Aliases

direct productC2×#2253

Subgroups

subgroupG/H
center, socle, prime radicalC23C2×D8
commutator, Frattini, cosocleC2×C8C24
LCSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C2×C42 ◁ C2×C4×C8 ◁ G
LECSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1

247 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 42
transitive degreeμt(G) = 256

A minimal faithful permutation representation — 4 generators on 42 points:

(1,2);(3,4,6,8)(5,9,10,7)(11,12,14,17)(13,21,23,35)(15,28,26,41)(16,29,27,20)(18,32,30,24)(19,34,31,22)(25,40,39,37)(33,38,36,42);(3,5,6,10)(4,7,8,9)(12,17)(18,30)(19,31)(20,29)(21,35)(28,41)(33,36)(37,40);(11,13,22,38,16,25,26,32,14,23,34,42,27,39,15,24)(12,18,28,37,20,33,31,35,17,30,41,40,29,36,19,21)

Conjugacy classes & character table

76 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#141218, #141219, #141539, …
maximal normal subgroup of#141218, #141219, #141539, …
maximal quotient ofC2×#12907, C2×#13165, C2×#13166, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 26712);