Finite Group Databasebeta
Cayley diagram

C2×#393 #2385

order128
nilpotency class2
isoclinismisoclinic class of #392
automorphismAut(G) order 196608
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C27

Aliases

direct productC2×#393

Subgroups

subgroupG/H
center, socleC24C23
commutator, Frattini, cosocleC23C24
prime radicalC25C22
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C23 ▷ C1

518 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 18
transitive degreeμt(G) = 64

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

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

Conjugacy classes & character table

44 conjugacy classes — view the full character table.

Relationships

Fitting subgroup ofC2×#393⋊C3, #11711128, #11711131, …
maximal subgroup of#9013, #9016, #9916, …
maximal normal subgroup of#9013, #9016, #9916, …
maximal quotient ofC2×#1439, C2×#1442, C2×#1446, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(128, 1117);