Finite Group Databasebeta
Cayley diagram

C2×#2135 #33368

order256
nilpotency class4
isoclinismisoclinic class of #2127
automorphismAut(G) order 32768
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C26

Aliases

direct productC2×#2135

Subgroups

subgroupG/H
center, socleC22C2×#99
commutatorC2×C4C23×C4
Frattini, cosocleC2×Q8C24
prime radicalC22×#41C22
LCSG ▷ C2×C4 ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ C22×#41 ◁ G
LECSG ▷ C2×Q8 ▷ C22 ▷ C2 ▷ C1

599 conjugacy classes of subgroups; only the 183 normal subgroups are shown.

normal subgroups only

This group has 599 conjugacy classes of subgroups — too many to draw. Only its 183 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

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

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

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

Conjugacy classes & character table

46 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#146652, #146672, #146699, …
maximal normal subgroup of#146652, #146672, #146699, …
maximal quotient ofC2×#11434, C2×#11450, C2×#11481, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 26356);