Finite Group Databasebeta

C4×Q16×C31 #14520620

order1984
nilpotency class3
isoclinismisoclinic class of D8
automorphism?
homologyAbelianization (H1) = C22×C4×C31 · Schur multiplier (H2) = C22

Aliases

direct productC4×Q16×C31

Subgroups

subgroupG/H
centerC2×C4×C31D4
commutatorC4C22×C4×C31
Frattini, cosocleC2×C4C23×C31
socle, prime radicalC22×C31C2×D4
LCSG ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4×C31 ◁ C42×C31 ◁ G

110 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 51
transitive degreeμt(G) = 1984

A minimal faithful permutation representation — 3 generators on 51 points:

(1,2,3,4)(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);(5,6,7,8,9,10,11,12)(13,20,19,18,17,16,15,14);(5,13,9,17)(6,14,10,18)(7,15,11,19)(8,16,12,20)

Conjugacy classes & character table

868 conjugacy classes — view the full character table.

Relationships

Fitting subgroup of#16843675, #16843681, Q16×C31⋊C8, …
maximal subgroup ofC31×#1332, C31×#1334, C8×Q16×C31, …
maximal normal subgroup ofC31×#1332, C31×#1334, C8×Q16×C31, …
maximal quotient ofC8×Q16×C31, C31×#1584, C31×#1591, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1984, 120);