Finite Group Databasebeta
Cayley diagram

C2×#395 #2387

order128
nilpotency class2
isoclinismisoclinic class of #392
automorphismAut(G) order 196608
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C26

Aliases

direct productC2×#395

Subgroups

subgroupG/H
center, socle, prime radicalC24C23
commutator, Frattini, cosocleC23C24
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C23 ▷ C1

454 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

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

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

Conjugacy classes & character table

44 conjugacy classes — view the full character table.

Relationships

Fitting subgroup ofC2×#395⋊C3, #11711129, #11711130, …
maximal subgroup of#9014, #9015, #9917, …
maximal normal subgroup of#9014, #9015, #9917, …
maximal quotient ofC2×#1441, C2×#1444, C2×#1446, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(128, 1119);