Finite Group Databasebeta

C2×D4×C71 #11765836

order1136
nilpotency class2
isoclinismisoclinic class of D4
automorphism?
homologyAbelianization (H1) = C23×C71 · Schur multiplier (H2) = C23

Aliases

direct productC2×D4×C71
unambiguous semidirect productC4⋊(C22×C71)
unambiguous semidirect productC22⋊(C22×C71)
unambiguous semidirect productC23⋊(C2×C71)

Subgroups

subgroupG/H
center, socleC22×C71C22
commutator, Frattini, cosocleC2C23×C71
LCSG ▷ C2 ▷ C1
UCSC1 ◁ C22×C71 ◁ G

54 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 77
transitive degreeμt(G) = 568

A minimal faithful permutation representation — 3 generators on 77 points:

(1,2)(7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77);(3,4,5,6);(4,6)

Conjugacy classes & character table

710 conjugacy classes — view the full character table.

Relationships

derived subgroup of#31884810, #31884811, #31884812, …
Fitting subgroup of#14556043, #14556045, #14556049, …
maximal subgroup of#99×C71, #100×C71, #102×C71, …
maximal normal subgroup of#99×C71, #100×C71, #102×C71, …
maximal quotient ofC2×C22⋊C4×C71, C2×C4⋊C4×C71, C4×D4×C71, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1136, 11);