Finite Group Databasebeta
Cayley diagram

C2×#1747 #20369

order256
nilpotency class2
isoclinismisoclinic class of H(3,ℤ/4)
automorphismAut(G) order 49152
homologyAbelianization (H1) = C22×C42 · Schur multiplier (H2) = C23×C42

Aliases

direct productC2×#1747

Subgroups

subgroupG/H
centerC2×C8C42
commutatorC4C22×C42
Frattini, cosocleC22×C4C24
socleC22#376
prime radicalC24#41
LCSG ▷ C4 ▷ C1
UCSC1 ◁ C2×C8 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

465 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 34
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 4 generators on 34 points:

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

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

Fitting subgroup ofC2×#1747⋊C3
maximal subgroup of#127612, #127613, #127614, …
maximal normal subgroup of#127612, #127613, #127614, …
maximal quotient ofC2×#8137, C2×#8138, #181820, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 13357);