Finite Group Databasebeta
Cayley diagram

C2×#1658 #18988

order256
nilpotency class3
isoclinismisoclinic class of #1655
automorphismAut(G) order 98304
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

Aliases

direct productC2×#1658

Subgroups

subgroupG/H
center, socleC23#120
commutator, Frattini, cosocleC42C24
prime radicalC2×#127C22
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C23 ◁ C2×C42 ◁ G
LECSG ▷ C42 ▷ C22 ▷ C1

441 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 34
transitive degreeμt(G) = 128

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

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

Conjugacy classes & character table

40 conjugacy classes — view the full character table.

Relationships

Fitting subgroup ofC2×#1658⋊C3
maximal subgroup ofC2×#7524, C4×#1658, #209160, …
maximal normal subgroup ofC2×#7524, C4×#1658, #209160, …
maximal quotient ofC2×#7739, C2×#7827, C2×#7744, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 11976);