Finite Group Databasebeta

C2×D4×C127 #14523219

order2032
nilpotency class2
isoclinismisoclinic class of D4
automorphism?
homologyAbelianization (H1) = C23×C127 · Schur multiplier (H2) = C23

Aliases

direct productC2×D4×C127
unambiguous semidirect productC4⋊(C22×C127)
unambiguous semidirect productC22⋊(C22×C127)
unambiguous semidirect productC23⋊(C2×C127)

Subgroups

subgroupG/H
center, socleC22×C127C22
commutator, Frattini, cosocleC2C23×C127
LCSG ▷ C2 ▷ C1
UCSC1 ◁ C22×C127 ◁ G

54 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 133
transitive degreeμt(G) = 1016

A minimal faithful permutation representation — 3 generators on 133 points:

(1,2)(7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133);(3,4,5,6);(4,6)

Conjugacy classes & character table

1270 conjugacy classes. The character table is too large to display.

Relationships

Fitting subgroup of#16861124, #16861126, #16861130, …
maximal subgroup of#99×C127, #100×C127, #102×C127, …
maximal normal subgroup of#99×C127, #100×C127, #102×C127, …
maximal quotient ofC2×C22⋊C4×C127, C2×C4⋊C4×C127, C4×D4×C127, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(2032, 11);