Finite Group Databasebeta

C2×D4×C89 #13083545

order1424
nilpotency class2
isoclinismisoclinic class of D4
automorphism?
homologyAbelianization (H1) = C23×C89 · Schur multiplier (H2) = C23

Aliases

direct productC2×D4×C89
unambiguous semidirect productC4⋊(C22×C89)
unambiguous semidirect productC22⋊(C22×C89)
unambiguous semidirect productC23⋊(C2×C89)

Subgroups

subgroupG/H
center, socleC22×C89C22
commutator, Frattini, cosocleC2C23×C89
LCSG ▷ C2 ▷ C1
UCSC1 ◁ C22×C89 ◁ G

54 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 95
transitive degreeμt(G) = 712

A minimal faithful permutation representation — 3 generators on 95 points:

(1,2)(7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95);(3,4,5,6);(4,6)

Conjugacy classes & character table

890 conjugacy classes — view the full character table.

Relationships

derived subgroup of#36441786, #36441787, #36441788, …
Fitting subgroup of#15667927, #15667929, #15667933, …
maximal subgroup of#99×C89, #100×C89, #102×C89, …
maximal normal subgroup of#99×C89, #100×C89, #102×C89, …
maximal quotient ofC2×C22⋊C4×C89, C2×C4⋊C4×C89, C4×D4×C89, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1424, 11);